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Merged
merged 436 commits into from
Mar 1, 2018

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haoNoQ and others added 30 commits February 15, 2018 02:32
This only affects the cfg-temporary-dtors mode - in this mode we begin inlining
constructors that are constructing function return values. These constructors
have a correct construction context since r324952.

Because temporary destructors are not only never inlined, but also don't have
the correct target region yet, this change is not entirely safe. But this
will be fixed in the subsequent commits, while this stays off behind the
cfg-temporary-dtors flag.

Lifetime extension for return values is still not modeled correctly.

Differential Revision: https://reviews.llvm.org/D42875


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EvalCallOptions were introduced in r324018 for allowing various parts of
ExprEngine to notify the inlining mechanism, while preparing for evaluating a
function call, of possible difficulties with evaluating the call that they
foresee. Then mayInlineCall() would still be a single place for making the
decision.

Use that mechanism for destructors as well - pass the necessary flags from the
CFG-element-specific destructor handlers.

Part of this patch accidentally leaked into r324018, which led into a change in
tests; this change is reverted now, because even though the change looked
correct, the underlying behavior wasn't. Both of these commits were not intended
to introduce any function changes otherwise.

Differential Revision: https://reviews.llvm.org/D42991


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Constructors of C++ temporary objects that have destructors now can be queried
to discover that they're indeed constructing temporary objects.

The respective CXXBindTemporaryExpr, which is also repsonsible for destroying
the temporary at the end of full-expression, is now available at the
construction site in the CFG. This is all the context we need to provide for
temporary objects that are not lifetime extended. For lifetime-extended
temporaries, more context is necessary.

Differential Revision: https://reviews.llvm.org/D43056


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Since r325210, in cfg-temporary-dtors mode, we can rely on the CFG to tell us
that we're indeed constructing a temporary, so we can trivially construct a
temporary region and inline the constructor.

Much like r325202, this is only done under the off-by-default
cfg-temporary-dtors flag because the temporary destructor, even if available,
will not be inlined and won't have the correct object value (target region).
Unless this is fixed, it is quite unsafe to inline the constructor.

If the temporary is lifetime-extended, the destructor would be an automatic
destructor, which would be evaluated with a "correct" target region - modulo
the series of incorrect relocations performed during the lifetime extension.
It means that at least, values within the object are guaranteed to be properly
escaped or invalidated.

Differential Revision: https://reviews.llvm.org/D43062


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Summary: Detect ObjC characteristic types when they start a line and add additional keywords.

Reviewers: benhamilton

Reviewed By: benhamilton

Subscribers: klimek, cfe-commits

Differential Revision: https://reviews.llvm.org/D43124

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@325221 91177308-0d34-0410-b5e6-96231b3b80d8
Summary: Similarly to the GNU driver version, adding proper compile and linker flags.

Patch by: David CARLIER

Reviewers: vitalybuka, krytarowski, dberris

Reviewed By: krytarowski, dberris

Subscribers: emaste, dberris, cfe-commits

Differential Revision: https://reviews.llvm.org/D43279


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Summary: Enabling memory sanitiser for X86_64 arch only. To match the sanitiser counterpart.

Patch by: David CARLIER

Reviewers: krytarowski

Reviewed By: krytarowski

Subscribers: dim, emaste, cfe-commits

Differential Revision: https://reviews.llvm.org/D43148


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Summary:
This patch adds support for list initialization of proto repeated fields:
```
keys: [1, 2, 3]
```

Reviewers: djasper

Reviewed By: djasper

Subscribers: klimek, cfe-commits

Differential Revision: https://reviews.llvm.org/D43298

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@325252 91177308-0d34-0410-b5e6-96231b3b80d8
…s considerable use of a type name as an identifier for an object.

Changed identifier names (especially function parameters) to not clash with type names and to follow the proper naming conventions. Use of explicit type names changed to use auto where appropriate. Removed unused parameters that should have never been added in the first place. Minor formatting cleanups.

The changes were mostly mechanical and should have no functional impact.

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The following test case causes issue with codegen of __enqueue_block

void (^block)(void) = ^{ callee(id, out); };

enqueue_kernel(queue, 0, ndrange, block);
Clang first does codegen for block expression in the first line and deletes its block info.
Clang then tries to do codegen for the same block expression again for the second line,
and fails because the block info is gone.

The fix is to do normal codegen for both lines. Introduce an API to OpenCL runtime to
record llvm block invoke function and llvm block literal emitted for each AST block
expression, and use the recorded information for generating the wrapper kernel.

The EmitBlockLiteral APIs are cleaned up to minimize changes to the normal codegen
of blocks.

Another minor issue is that some clean up AST expression is generated for block
with captures, which can be stripped by IgnoreImplicit.

Differential Revision: https://reviews.llvm.org/D43240


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This line is not needed in the test, and breaks Windows testing.
Fixes the test added in r325175.



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Don't look at the parent statement to figure out if the cxx-allocator-inlining
flag should kick in and prevent us from inlining the constructor within
a new-expression. We now have construction contexts for that purpose.


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Differential Revision: https://reviews.llvm.org/D43340


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Inline them if possible - a separate flag is added to control this.
The whole thing is under the cfg-temporary-dtors flag, off by default so far.

Temporary destructors are called at the end of full-expression. If the
temporary is lifetime-extended, automatic destructors kick in instead,
which are not addressed in this patch, and normally already work well
modulo the overally broken support for lifetime extension.

The patch operates by attaching the this-region to the CXXBindTemporaryExpr in
the program state, and then recalling it during destruction that was triggered
by that CXXBindTemporaryExpr. It has become possible because
CXXBindTemporaryExpr is part of the construction context since r325210.

Differential revision: https://reviews.llvm.org/D43104


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Temporary destructors fire at the end of the full-expression. It is reasonable
to attach the path note for entering/leaving the temporary destructor to its
CXXBindTemporaryExpr. This would not affect lifetime-extended temporaries with
their automatic destructors which aren't temporary destructors.

The path note may be confusing in the case of destructors after elidable copy
constructors.

Differential Revision: https://reviews.llvm.org/D43144


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Array destructors, like constructors, need to be called for each element of the
array separately. We do not have any mechanisms to do this in the analyzer,
so for now all we do is evaluate a single constructor or destructor
conservatively and give up. It automatically causes the necessary invalidation
and pointer escape for the whole array, because this is how RegionStore works.

Implement this conservative behavior for temporary destructors. This fixes the
crash on the provided test.

Differential Revision: https://reviews.llvm.org/D43149


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@325286 91177308-0d34-0410-b5e6-96231b3b80d8
Summary:
Many methods in Sema take a `bool Diagnose` parameter. Examples of such
methods include `Sema::FindDeallocationFunction` and
`Sema::SpecialMemberIsTrivial`. Calling these methods with
`Diagnose = false` allows callers to, for instance, check for the
existence of a deallocation function, without that check resulting in
error diagnostics being emitted if no matching deallocation function exists.

Add a similar `bool Diagnose` to the `Sema::FindAllocationFunctions`
method, so that checks for the existence of allocation functions can be
made without triggering error diagnostics.

This allows `SemaCoroutine.cpp`, in its implementation of the
Coroutines TS, to check for the existence of a particular `operator new`
overload, but then without error fall back to a default `operator new`
if no matching overload exists.

Test Plan: `check-clang`

Reviewers: rsmith, GorNishanov, eric_niebler

Reviewed By: GorNishanov

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D42605

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Summary:
Depends on https://reviews.llvm.org/D42605.

An implementation of the behavior described in `[dcl.fct.def.coroutine]/7`:
when a promise type overloads `operator new` using a "placement new"
that takes the same argument types as the coroutine function, that
overload is used when allocating the coroutine frame.

Simply passing references to the coroutine function parameters directly
to `operator new` results in invariant violations in LLVM's coroutine
splitting pass, so this implementation modifies Clang codegen to
produce allocator-specific alloc/store/loads for each parameter being
forwarded to the allocator.

Test Plan: `check-clang`

Reviewers: rsmith, GorNishanov, eric_niebler

Reviewed By: GorNishanov

Subscribers: lewissbaker, EricWF, cfe-commits

Differential Revision: https://reviews.llvm.org/D42606

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@325291 91177308-0d34-0410-b5e6-96231b3b80d8
…h depend sink|source clause.

Patch fixes compiler crash on standalone #pragmas ordered with
depend(sink|source) clauses.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@325302 91177308-0d34-0410-b5e6-96231b3b80d8
Codegen for ordered with doacross construct might produce incorrect code
because of missing cleanup scope for the construct. Without this scope
the final runtime function call could be emitted in the wrong order that
leads to incorrect codegen.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@325304 91177308-0d34-0410-b5e6-96231b3b80d8
…odules

Assume Foo.framework with two module maps and two modules Foo and
Foo_Private.

Framework authors need to skip building both Foo and Foo_Private when
using -fmodule-name=Foo, since both are part of the framework and used
interchangeably during compilation.

rdar://problem/37500098

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…tion for hex numbers in doxygen documentation from <...>h to 0x<...>. Both of these notations were used in x86 intrinsics documentation. I promised to change them to 0x<...> for consistency.

Differential Revision: https://reviews.llvm.org/D41888



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Teach the coverage mapping logic to handle break or continue statements
within for loop increments.

Fixes llvm.org/PR36406.

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accessibility of a class member.

This fixes PR32898.

rdar://problem/33737747

Differential revision: https://reviews.llvm.org/D36918

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@325321 91177308-0d34-0410-b5e6-96231b3b80d8
…cking the"

This broke the Chromium build, see https://crbug.com/813017

> accessibility of a class member.
>
> This fixes PR32898.
>
> rdar://problem/33737747
>
> Differential revision: https://reviews.llvm.org/D36918

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kcc and others added 25 commits February 28, 2018 21:58
This just reduces the noise in a followup patch.

Part of D43900.

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Also part of D43900.

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Part of D43900.

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This is the next step in setting dso_local for COFF.

The patches changes setGVProperties to first set dllimport/dllexport
and changes a few cases that were setting dllimport/dllexport
manually. With this a few more GVs are marked dso_local.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@326397 91177308-0d34-0410-b5e6-96231b3b80d8
…contexts.

For now. We should also add support for ConstructorConversion casts as presented
in the attached test case, but this requires more changes because AST around
them seems different.

The check was originally present but was accidentally lost during r326021.

Differential Revision: https://reviews.llvm.org/D43840


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…utable.

This is a security check that warns when both PROT_WRITE and PROT_EXEC are
set during mmap(). If mmap()ed memory is both writable and executable, it makes
it easier for the attacker to execute arbitrary code when contents of this
memory are compromised. Some applications require such mmap()s though, such as
different sorts of JIT.

Re-applied after a revert in r324167.

Temporarily stays in the alpha package because it needs a better way of
determining macro values that are not immediately available in the AST.

Patch by David Carlier!

Differential Revision: https://reviews.llvm.org/D42645


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@326405 91177308-0d34-0410-b5e6-96231b3b80d8
So I wrote a clang-tidy check to lint out redundant `isa`, `cast`, and
`dyn_cast`s for fun. This is a portion of what it found for clang; I
plan to do similar cleanups in LLVM and other subprojects when I find
time.

Because of the volume of changes, I explicitly avoided making any change
that wasn't highly local and obviously correct to me (e.g. we still have
a number of foo(cast<Bar>(baz)) that I didn't touch, since overloading
is a thing and the cast<Bar> did actually change the type -- just up the
class hierarchy).

I also tried to leave the types we were cast<>ing to somewhere nearby,
in cases where it wasn't locally obvious what we were dealing with
before.


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Current implementation of `FunctionDecl::isDefined` does not take into
account redeclarations that do not have bodies, but the bodies can be
instantiated from corresponding templated definition. This behavior does
not allow to detect function redefinition in the cases where friend
functions is defined in class templates. For instance, the code:
```
    template<typename T> struct X { friend void f() {} };
    X<int> xi;
    void f() {}
```
compiles successfully but must fail due to redefinition of `f`. The
declaration of the friend `f` is created when the containing template
`X` is instantiated, but it does not have a body as per 14.5.4p4
because `f` is not odr-used.

With this change the function `Sema::CheckForFunctionRedefinition`
considers functions with uninstantiated bodies as definitions.

Differential Revision: https://reviews.llvm.org/D30170


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Summary:
When disabled, this option allows removing the space before colon,
making it act more like the semi-colon. When enabled (default), the
current behavior is not affected.

This mostly affects C++11 loop, initializer list, inheritance list and
container literals:

  class Foo: Bar {}
  Foo::Foo(): a(a) {}
  for (auto i: myList) {}
  f({a: 1, b: 2, c: 3});

Reviewers: krasimir, djasper

Reviewed By: djasper

Subscribers: xvallspl, teemperor, karies, cfe-commits, klimek

Differential Revision: https://reviews.llvm.org/D32525

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Also revert "[analyzer] Fix a compiler warning"
This reverts commits r326323 and r326324.

Reason: the commits introduced a cyclic dependency in the build graph.
This happens to work with cmake, but breaks out internal integrate.

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Originally submitted as r326323 and r326324.
Reverted in r326432.

Reverting the commit was a mistake.
The breakage was due to invalid build files in our internal buildsystem,
CMakeLists did not have any cyclic dependencies.

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Don't enable c++-temp-dtor-inlining by default yet, due to this reference
counting pointe problem.

Otherwise the new mode seems stable and allows us to incrementally fix C++
problems in much less hacky ways.

Differential Revision: https://reviews.llvm.org/D43804


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This is needed for building with the GNU driver (`clang++`) when
targeting Windows and using msvcprt.  This flag is the equivalent of
`/GR-`.

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…wo on MSVC

Make types with sizes that aren't a power of two an error (that can
be disabled) in structs with ms_struct layout, except on mingw where
the situation is quite likely to occur and GCC handles it silently.

Differential Revision: https://reviews.llvm.org/D43908

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…e the

introduction on the front page page.

We still use the lowercase "clang" spelling when referring to the driver binary.


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…finition

if the other definition is a merged copy of the same function.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@326496 91177308-0d34-0410-b5e6-96231b3b80d8
Since LLVM r326341, default EmulatedTLS mode is decided in backend
according to target triple. Any front-end should pass -f[no]-emulated-tls
to backend and set up ExplicitEmulatedTLS only when the flags are used.

Differential Revision: https://reviews.llvm.org/D43965




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When parsing comments, for example, for -Wdocumentation, slightly different
behaviour occurs when -fparse-all-comments is specified. However, these
differences are subtle:

 1. All comments are saved during parsing, regardless of whether they are doc
    comments or not.
 2. "Maybe-doc" comments, like //<, //!, etc, are saved as such, instead of
    marking them as ordinary comments. The maybe-doc type of comment is never
    saved otherwise. (Warning on these is the impetus of -Wdocumentation.)
 3. All comments are treated as doc comments in ASTContext, even if they are
    ordinary.

This change moves the logic for checking CommentOptions.ParseAllComments closer
to where it has an effect. The overall logic is unchanged, but checks of the
ParseAllComments flag are now done where the effect will be clearer.

Reviewers: rsmith

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D43663

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@326501 91177308-0d34-0410-b5e6-96231b3b80d8
Original change:

[NFC] Move CommentOpts checks to the call sites that depend on it.

When parsing comments, for example, for -Wdocumentation, slightly different
behaviour occurs when -fparse-all-comments is specified. However, these
differences are subtle:

1. All comments are saved during parsing, regardless of whether they are doc comments or not.
2. "Maybe-doc" comments, like //<, //!, etc, are saved as such, instead of marking them as ordinary comments. The maybe-doc type of comment is never saved otherwise. (Warning on these is the impetus of -Wdocumentation.)
3. All comments are treated as doc comments in ASTContext, even if they are ordinary.

This change moves the logic for checking CommentOptions.ParseAllComments closer
to where it has an effect. The overall logic is unchanged, but checks of the
ParseAllComments flag are now done where the effect will be clearer.




git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@326508 91177308-0d34-0410-b5e6-96231b3b80d8
@sscalpone sscalpone merged commit ae37ae7 into flang-compiler:master Mar 1, 2018
schweitzpgi pushed a commit to schweitzpgi/obsolete-flang-driver that referenced this pull request Mar 27, 2019
Introduces memory leak in FunctionTest.GetPointerAlignment that breaks sanitizer buildbots:

```
=================================================================
==2453==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 128 byte(s) in 1 object(s) allocated from:
    #0 0x610428 in operator new(unsigned long) /b/sanitizer-x86_64-linux-bootstrap/build/llvm/projects/compiler-rt/lib/asan/asan_new_delete.cc:105
    flang-compiler#1 0x16936bc in llvm::User::operator new(unsigned long) /b/sanitizer-x86_64-linux-bootstrap/build/llvm/lib/IR/User.cpp:151:19
    flang-compiler#2 0x7c3fe9 in Create /b/sanitizer-x86_64-linux-bootstrap/build/llvm/include/llvm/IR/Function.h:144:12
    flang-compiler#3 0x7c3fe9 in (anonymous namespace)::FunctionTest_GetPointerAlignment_Test::TestBody() /b/sanitizer-x86_64-linux-bootstrap/build/llvm/unittests/IR/FunctionTest.cpp:136
    flang-compiler#4 0x1a836a0 in HandleExceptionsInMethodIfSupported<testing::Test, void> /b/sanitizer-x86_64-linux-bootstrap/build/llvm/utils/unittest/googletest/src/gtest.cc
    flang-compiler#5 0x1a836a0 in testing::Test::Run() /b/sanitizer-x86_64-linux-bootstrap/build/llvm/utils/unittest/googletest/src/gtest.cc:2474
    flang-compiler#6 0x1a85c55 in testing::TestInfo::Run() /b/sanitizer-x86_64-linux-bootstrap/build/llvm/utils/unittest/googletest/src/gtest.cc:2656:11
    flang-compiler#7 0x1a870d0 in testing::TestCase::Run() /b/sanitizer-x86_64-linux-bootstrap/build/llvm/utils/unittest/googletest/src/gtest.cc:2774:28
    flang-compiler#8 0x1aa5b84 in testing::internal::UnitTestImpl::RunAllTests() /b/sanitizer-x86_64-linux-bootstrap/build/llvm/utils/unittest/googletest/src/gtest.cc:4649:43
    flang-compiler#9 0x1aa4d30 in HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool> /b/sanitizer-x86_64-linux-bootstrap/build/llvm/utils/unittest/googletest/src/gtest.cc
    flang-compiler#10 0x1aa4d30 in testing::UnitTest::Run() /b/sanitizer-x86_64-linux-bootstrap/build/llvm/utils/unittest/googletest/src/gtest.cc:4257
    flang-compiler#11 0x1a6b656 in RUN_ALL_TESTS /b/sanitizer-x86_64-linux-bootstrap/build/llvm/utils/unittest/googletest/include/gtest/gtest.h:2233:46
    flang-compiler#12 0x1a6b656 in main /b/sanitizer-x86_64-linux-bootstrap/build/llvm/utils/unittest/UnitTestMain/TestMain.cpp:50
    flang-compiler#13 0x7f5af37a22e0 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x202e0)

Indirect leak of 40 byte(s) in 1 object(s) allocated from:
    #0 0x610428 in operator new(unsigned long) /b/sanitizer-x86_64-linux-bootstrap/build/llvm/projects/compiler-rt/lib/asan/asan_new_delete.cc:105
    flang-compiler#1 0x151be6b in make_unique<llvm::ValueSymbolTable> /b/sanitizer-x86_64-linux-bootstrap/build/llvm/include/llvm/ADT/STLExtras.h:1349:29
    flang-compiler#2 0x151be6b in llvm::Function::Function(llvm::FunctionType*, llvm::GlobalValue::LinkageTypes, unsigned int, llvm::Twine const&, llvm::Module*) /b/sanitizer-x86_64-linux-bootstrap/build/llvm/lib/IR/Function.cpp:241
    flang-compiler#3 0x7c4006 in Create /b/sanitizer-x86_64-linux-bootstrap/build/llvm/include/llvm/IR/Function.h:144:16
    flang-compiler#4 0x7c4006 in (anonymous namespace)::FunctionTest_GetPointerAlignment_Test::TestBody() /b/sanitizer-x86_64-linux-bootstrap/build/llvm/unittests/IR/FunctionTest.cpp:136
    flang-compiler#5 0x1a836a0 in HandleExceptionsInMethodIfSupported<testing::Test, void> /b/sanitizer-x86_64-linux-bootstrap/build/llvm/utils/unittest/googletest/src/gtest.cc
    flang-compiler#6 0x1a836a0 in testing::Test::Run() /b/sanitizer-x86_64-linux-bootstrap/build/llvm/utils/unittest/googletest/src/gtest.cc:2474
    flang-compiler#7 0x1a85c55 in testing::TestInfo::Run() /b/sanitizer-x86_64-linux-bootstrap/build/llvm/utils/unittest/googletest/src/gtest.cc:2656:11
    flang-compiler#8 0x1a870d0 in testing::TestCase::Run() /b/sanitizer-x86_64-linux-bootstrap/build/llvm/utils/unittest/googletest/src/gtest.cc:2774:28
    flang-compiler#9 0x1aa5b84 in testing::internal::UnitTestImpl::RunAllTests() /b/sanitizer-x86_64-linux-bootstrap/build/llvm/utils/unittest/googletest/src/gtest.cc:4649:43
    flang-compiler#10 0x1aa4d30 in HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool> /b/sanitizer-x86_64-linux-bootstrap/build/llvm/utils/unittest/googletest/src/gtest.cc
    flang-compiler#11 0x1aa4d30 in testing::UnitTest::Run() /b/sanitizer-x86_64-linux-bootstrap/build/llvm/utils/unittest/googletest/src/gtest.cc:4257
    flang-compiler#12 0x1a6b656 in RUN_ALL_TESTS /b/sanitizer-x86_64-linux-bootstrap/build/llvm/utils/unittest/googletest/include/gtest/gtest.h:2233:46
    flang-compiler#13 0x1a6b656 in main /b/sanitizer-x86_64-linux-bootstrap/build/llvm/utils/unittest/UnitTestMain/TestMain.cpp:50
    flang-compiler#14 0x7f5af37a22e0 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x202e0)

SUMMARY: AddressSanitizer: 168 byte(s) leaked in 2 allocation(s).
```

See http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-bootstrap/builds/11358/steps/check-llvm%20asan/logs/stdio for more information.

Also introduces use-of-uninitialized-value in ConstantsTest.FoldGlobalVariablePtr:
```
==7070==WARNING: MemorySanitizer: use-of-uninitialized-value
    #0 0x14e703c in User /b/sanitizer-x86_64-linux-fast/build/llvm/include/llvm/IR/User.h:79:5
    flang-compiler#1 0x14e703c in Constant /b/sanitizer-x86_64-linux-fast/build/llvm/include/llvm/IR/Constant.h:44
    flang-compiler#2 0x14e703c in llvm::GlobalValue::GlobalValue(llvm::Type*, llvm::Value::ValueTy, llvm::Use*, unsigned int, llvm::GlobalValue::LinkageTypes, llvm::Twine const&, unsigned int) /b/sanitizer-x86_64-linux-fast/build/llvm/include/llvm/IR/GlobalValue.h:78
    flang-compiler#3 0x14e5467 in GlobalObject /b/sanitizer-x86_64-linux-fast/build/llvm/include/llvm/IR/GlobalObject.h:34:9
    flang-compiler#4 0x14e5467 in llvm::GlobalVariable::GlobalVariable(llvm::Type*, bool, llvm::GlobalValue::LinkageTypes, llvm::Constant*, llvm::Twine const&, llvm::GlobalValue::ThreadLocalMode, unsigned int, bool) /b/sanitizer-x86_64-linux-fast/build/llvm/lib/IR/Globals.cpp:314
    flang-compiler#5 0x6938f1 in llvm::(anonymous namespace)::ConstantsTest_FoldGlobalVariablePtr_Test::TestBody() /b/sanitizer-x86_64-linux-fast/build/llvm/unittests/IR/ConstantsTest.cpp:565:18
    flang-compiler#6 0x1a240a1 in HandleExceptionsInMethodIfSupported<testing::Test, void> /b/sanitizer-x86_64-linux-fast/build/llvm/utils/unittest/googletest/src/gtest.cc
    flang-compiler#7 0x1a240a1 in testing::Test::Run() /b/sanitizer-x86_64-linux-fast/build/llvm/utils/unittest/googletest/src/gtest.cc:2474
    flang-compiler#8 0x1a26d26 in testing::TestInfo::Run() /b/sanitizer-x86_64-linux-fast/build/llvm/utils/unittest/googletest/src/gtest.cc:2656:11
    flang-compiler#9 0x1a2815f in testing::TestCase::Run() /b/sanitizer-x86_64-linux-fast/build/llvm/utils/unittest/googletest/src/gtest.cc:2774:28
    flang-compiler#10 0x1a43de8 in testing::internal::UnitTestImpl::RunAllTests() /b/sanitizer-x86_64-linux-fast/build/llvm/utils/unittest/googletest/src/gtest.cc:4649:43
    flang-compiler#11 0x1a42c47 in HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool> /b/sanitizer-x86_64-linux-fast/build/llvm/utils/unittest/googletest/src/gtest.cc
    flang-compiler#12 0x1a42c47 in testing::UnitTest::Run() /b/sanitizer-x86_64-linux-fast/build/llvm/utils/unittest/googletest/src/gtest.cc:4257
    flang-compiler#13 0x1a0dfba in RUN_ALL_TESTS /b/sanitizer-x86_64-linux-fast/build/llvm/utils/unittest/googletest/include/gtest/gtest.h:2233:46
    flang-compiler#14 0x1a0dfba in main /b/sanitizer-x86_64-linux-fast/build/llvm/utils/unittest/UnitTestMain/TestMain.cpp:50
    flang-compiler#15 0x7f2081c412e0 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x202e0)
    flang-compiler#16 0x4dff49 in _start (/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/unittests/IR/IRTests+0x4dff49)

SUMMARY: MemorySanitizer: use-of-uninitialized-value /b/sanitizer-x86_64-linux-fast/build/llvm/include/llvm/IR/User.h:79:5 in User
```

See http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-fast/builds/30222/steps/check-llvm%20msan/logs/stdio for more information.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@355616 91177308-0d34-0410-b5e6-96231b3b80d8
schweitzpgi pushed a commit to schweitzpgi/obsolete-flang-driver that referenced this pull request Apr 22, 2019
The assertion prevents it from applying fixes when used along with compilation
databases with relative paths. Added a test that demonstrates the assertion
failure.

An example of the assertion:
input.cpp:11:14: error: expected ';' after top level declarator
typedef int T
             ^
             ;
input.cpp:11:14: note: FIX-IT applied suggested code changes
clang-check: clang/tools/clang-check/ClangCheck.cpp:94: virtual std::string (anonymous namespace)::FixItOptions::RewriteFilename(const std::string &, int &): Assertion `llvm::sys::path::is_absolute(filename) && "clang-fixit expects absolute paths only."' failed.
  #0 llvm::sys::PrintStackTrace(llvm::raw_ostream&) llvm/lib/Support/Unix/Signals.inc:494:13
  flang-compiler#1 llvm::sys::RunSignalHandlers() llvm/lib/Support/Signals.cpp:69:18
  flang-compiler#2 SignalHandler(int) llvm/lib/Support/Unix/Signals.inc:357:1
  flang-compiler#3 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x110c0)
  flang-compiler#4 raise (/lib/x86_64-linux-gnu/libc.so.6+0x32fcf)
  flang-compiler#5 abort (/lib/x86_64-linux-gnu/libc.so.6+0x343fa)
  flang-compiler#6 (/lib/x86_64-linux-gnu/libc.so.6+0x2be37)
  flang-compiler#7 (/lib/x86_64-linux-gnu/libc.so.6+0x2bee2)
  flang-compiler#8 void std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_construct<char*>(char*, char*, std::forward_iterator_tag)
  flang-compiler#9 void std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_construct_aux<char*>(char*, char*, std::__false_type)
 flang-compiler#10 void std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_construct<char*>(char*, char*)
 flang-compiler#11 std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)
 flang-compiler#12 (anonymous namespace)::FixItOptions::RewriteFilename(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, int&) clang/tools/clang-check/ClangCheck.cpp:101:0
 flang-compiler#13 std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_data() const
 flang-compiler#14 std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_is_local() const
 flang-compiler#15 std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_dispose()
 flang-compiler#16 std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string()
 flang-compiler#17 clang::FixItRewriter::WriteFixedFiles(std::vector<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >*) clang/lib/Frontend/Rewrite/FixItRewriter.cpp:98:0
 flang-compiler#18 std::__shared_ptr<clang::CompilerInvocation, (__gnu_cxx::_Lock_policy)2>::get() const
 flang-compiler#19 std::__shared_ptr_access<clang::CompilerInvocation, (__gnu_cxx::_Lock_policy)2, false, false>::_M_get() const
 flang-compiler#20 std::__shared_ptr_access<clang::CompilerInvocation, (__gnu_cxx::_Lock_policy)2, false, false>::operator->() const
 flang-compiler#21 clang::CompilerInstance::getFrontendOpts() clang/include/clang/Frontend/CompilerInstance.h:290:0
 flang-compiler#22 clang::FrontendAction::EndSourceFile() clang/lib/Frontend/FrontendAction.cpp:966:0
 flang-compiler#23 __gnu_cxx::__normal_iterator<clang::FrontendInputFile*, std::vector<clang::FrontendInputFile, std::allocator<clang::FrontendInputFile> > >::operator++()
 flang-compiler#24 clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) clang/lib/Frontend/CompilerInstance.cpp:943:0
 flang-compiler#25 clang::tooling::FrontendActionFactory::runInvocation(std::shared_ptr<clang::CompilerInvocation>, clang::FileManager*, std::shared_ptr<clang::PCHContainerOperations>, clang::DiagnosticConsumer*) clang/lib/Tooling/Tooling.cpp:369:33
 flang-compiler#26 clang::tooling::ToolInvocation::runInvocation(char const*, clang::driver::Compilation*, std::shared_ptr<clang::CompilerInvocation>, std::shared_ptr<clang::PCHContainerOperations>) clang/lib/Tooling/Tooling.cpp:344:18
 flang-compiler#27 clang::tooling::ToolInvocation::run() clang/lib/Tooling/Tooling.cpp:329:10
 flang-compiler#28 clang::tooling::ClangTool::run(clang::tooling::ToolAction*) clang/lib/Tooling/Tooling.cpp:518:11
 flang-compiler#29 main clang/tools/clang-check/ClangCheck.cpp:187:15

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@357915 91177308-0d34-0410-b5e6-96231b3b80d8
schweitzpgi pushed a commit to schweitzpgi/obsolete-flang-driver that referenced this pull request Apr 22, 2019
…heck.

The assertion prevents it from applying fixes when used along with compilation
databases with relative paths. Added a test that demonstrates the assertion
failure.

An example of the assertion:
input.cpp:11:14: error: expected ';' after top level declarator
typedef int T
             ^
             ;
input.cpp:11:14: note: FIX-IT applied suggested code changes
clang-check: clang/tools/clang-check/ClangCheck.cpp:94: virtual std::string (anonymous namespace)::FixItOptions::RewriteFilename(const std::string &, int &): Assertion `llvm::sys::path::is_absolute(filename) && "clang-fixit expects absolute paths only."' failed.
  #0 llvm::sys::PrintStackTrace(llvm::raw_ostream&) llvm/lib/Support/Unix/Signals.inc:494:13
  flang-compiler#1 llvm::sys::RunSignalHandlers() llvm/lib/Support/Signals.cpp:69:18
  flang-compiler#2 SignalHandler(int) llvm/lib/Support/Unix/Signals.inc:357:1
  flang-compiler#3 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x110c0)
  flang-compiler#4 raise (/lib/x86_64-linux-gnu/libc.so.6+0x32fcf)
  flang-compiler#5 abort (/lib/x86_64-linux-gnu/libc.so.6+0x343fa)
  flang-compiler#6 (/lib/x86_64-linux-gnu/libc.so.6+0x2be37)
  flang-compiler#7 (/lib/x86_64-linux-gnu/libc.so.6+0x2bee2)
  flang-compiler#8 void std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_construct<char*>(char*, char*, std::forward_iterator_tag)
  flang-compiler#9 void std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_construct_aux<char*>(char*, char*, std::__false_type)
 flang-compiler#10 void std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_construct<char*>(char*, char*)
 flang-compiler#11 std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)
 flang-compiler#12 (anonymous namespace)::FixItOptions::RewriteFilename(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, int&) clang/tools/clang-check/ClangCheck.cpp:101:0
 flang-compiler#13 std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_data() const
 flang-compiler#14 std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_is_local() const
 flang-compiler#15 std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_dispose()
 flang-compiler#16 std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string()
 flang-compiler#17 clang::FixItRewriter::WriteFixedFiles(std::vector<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >*) clang/lib/Frontend/Rewrite/FixItRewriter.cpp:98:0
 flang-compiler#18 std::__shared_ptr<clang::CompilerInvocation, (__gnu_cxx::_Lock_policy)2>::get() const
 flang-compiler#19 std::__shared_ptr_access<clang::CompilerInvocation, (__gnu_cxx::_Lock_policy)2, false, false>::_M_get() const
 flang-compiler#20 std::__shared_ptr_access<clang::CompilerInvocation, (__gnu_cxx::_Lock_policy)2, false, false>::operator->() const
 flang-compiler#21 clang::CompilerInstance::getFrontendOpts() clang/include/clang/Frontend/CompilerInstance.h:290:0
 flang-compiler#22 clang::FrontendAction::EndSourceFile() clang/lib/Frontend/FrontendAction.cpp:966:0
 flang-compiler#23 __gnu_cxx::__normal_iterator<clang::FrontendInputFile*, std::vector<clang::FrontendInputFile, std::allocator<clang::FrontendInputFile> > >::operator++()
 flang-compiler#24 clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) clang/lib/Frontend/CompilerInstance.cpp:943:0
 flang-compiler#25 clang::tooling::FrontendActionFactory::runInvocation(std::shared_ptr<clang::CompilerInvocation>, clang::FileManager*, std::shared_ptr<clang::PCHContainerOperations>, clang::DiagnosticConsumer*) clang/lib/Tooling/Tooling.cpp:369:33
 flang-compiler#26 clang::tooling::ToolInvocation::runInvocation(char const*, clang::driver::Compilation*, std::shared_ptr<clang::CompilerInvocation>, std::shared_ptr<clang::PCHContainerOperations>) clang/lib/Tooling/Tooling.cpp:344:18
 flang-compiler#27 clang::tooling::ToolInvocation::run() clang/lib/Tooling/Tooling.cpp:329:10
 flang-compiler#28 clang::tooling::ClangTool::run(clang::tooling::ToolAction*) clang/lib/Tooling/Tooling.cpp:518:11
 flang-compiler#29 main clang/tools/clang-check/ClangCheck.cpp:187:15
........
Breaks windows buildbots

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@357918 91177308-0d34-0410-b5e6-96231b3b80d8
schweitzpgi pushed a commit to schweitzpgi/obsolete-flang-driver that referenced this pull request Apr 22, 2019
Re-commit r357915 with a fix for windows.

The assertion prevents it from applying fixes when used along with compilation
databases with relative paths. Added a test that demonstrates the assertion
failure.

An example of the assertion:
input.cpp:11:14: error: expected ';' after top level declarator
typedef int T
             ^
             ;
input.cpp:11:14: note: FIX-IT applied suggested code changes
clang-check: clang/tools/clang-check/ClangCheck.cpp:94: virtual std::string (anonymous namespace)::FixItOptions::RewriteFilename(const std::string &, int &): Assertion `llvm::sys::path::is_absolute(filename) && "clang-fixit expects absolute paths only."' failed.
  #0 llvm::sys::PrintStackTrace(llvm::raw_ostream&) llvm/lib/Support/Unix/Signals.inc:494:13
  flang-compiler#1 llvm::sys::RunSignalHandlers() llvm/lib/Support/Signals.cpp:69:18
  flang-compiler#2 SignalHandler(int) llvm/lib/Support/Unix/Signals.inc:357:1
  flang-compiler#3 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x110c0)
  flang-compiler#4 raise (/lib/x86_64-linux-gnu/libc.so.6+0x32fcf)
  flang-compiler#5 abort (/lib/x86_64-linux-gnu/libc.so.6+0x343fa)
  flang-compiler#6 (/lib/x86_64-linux-gnu/libc.so.6+0x2be37)
  flang-compiler#7 (/lib/x86_64-linux-gnu/libc.so.6+0x2bee2)
  flang-compiler#8 void std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_construct<char*>(char*, char*, std::forward_iterator_tag)
  flang-compiler#9 void std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_construct_aux<char*>(char*, char*, std::__false_type)
 flang-compiler#10 void std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_construct<char*>(char*, char*)
 flang-compiler#11 std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)
 flang-compiler#12 (anonymous namespace)::FixItOptions::RewriteFilename(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, int&) clang/tools/clang-check/ClangCheck.cpp:101:0
 flang-compiler#13 std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_data() const
 flang-compiler#14 std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_is_local() const
 flang-compiler#15 std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_dispose()
 flang-compiler#16 std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string()
 flang-compiler#17 clang::FixItRewriter::WriteFixedFiles(std::vector<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >*) clang/lib/Frontend/Rewrite/FixItRewriter.cpp:98:0
 flang-compiler#18 std::__shared_ptr<clang::CompilerInvocation, (__gnu_cxx::_Lock_policy)2>::get() const
 flang-compiler#19 std::__shared_ptr_access<clang::CompilerInvocation, (__gnu_cxx::_Lock_policy)2, false, false>::_M_get() const
 flang-compiler#20 std::__shared_ptr_access<clang::CompilerInvocation, (__gnu_cxx::_Lock_policy)2, false, false>::operator->() const
 flang-compiler#21 clang::CompilerInstance::getFrontendOpts() clang/include/clang/Frontend/CompilerInstance.h:290:0
 flang-compiler#22 clang::FrontendAction::EndSourceFile() clang/lib/Frontend/FrontendAction.cpp:966:0
 flang-compiler#23 __gnu_cxx::__normal_iterator<clang::FrontendInputFile*, std::vector<clang::FrontendInputFile, std::allocator<clang::FrontendInputFile> > >::operator++()
 flang-compiler#24 clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) clang/lib/Frontend/CompilerInstance.cpp:943:0
 flang-compiler#25 clang::tooling::FrontendActionFactory::runInvocation(std::shared_ptr<clang::CompilerInvocation>, clang::FileManager*, std::shared_ptr<clang::PCHContainerOperations>, clang::DiagnosticConsumer*) clang/lib/Tooling/Tooling.cpp:369:33
 flang-compiler#26 clang::tooling::ToolInvocation::runInvocation(char const*, clang::driver::Compilation*, std::shared_ptr<clang::CompilerInvocation>, std::shared_ptr<clang::PCHContainerOperations>) clang/lib/Tooling/Tooling.cpp:344:18
 flang-compiler#27 clang::tooling::ToolInvocation::run() clang/lib/Tooling/Tooling.cpp:329:10
 flang-compiler#28 clang::tooling::ClangTool::run(clang::tooling::ToolAction*) clang/lib/Tooling/Tooling.cpp:518:11
 flang-compiler#29 main clang/tools/clang-check/ClangCheck.cpp:187:15

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@357921 91177308-0d34-0410-b5e6-96231b3b80d8
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