Backports for 1.7.3

Make.inc

@@ -1,4 +1,4 @@
-# -*- mode: makefile-gmake -*-
+# -*- mode: makefile -*-
 # vi:syntax=make
 
 ## Note:
@@ -1172,7 +1172,7 @@ endif
 
 # Auto-detect triplet once, create different versions that we use as defaults below for each BB install target
 FC_VERSION := $(shell $(FC) --version 2>/dev/null | head -1)
-FC_OR_CC_VERISON := $(or $(FC_VERSION),$(shell $(CC) --version 2>/dev/null | head -1))
+FC_OR_CC_VERSION := $(or $(FC_VERSION),$(shell $(CC) --version 2>/dev/null | head -1))
 BB_TRIPLET_LIBGFORTRAN_CXXABI := $(shell $(call invoke_python,$(JULIAHOME)/contrib/normalize_triplet.py) $(or $(XC_HOST),$(XC_HOST),$(BUILD_MACHINE)) "$(FC_OR_CC_VERSION)" "$(or $(shell echo '\#include <string>' | $(CXX) $(CXXFLAGS) -x c++ -dM -E - | grep _GLIBCXX_USE_CXX11_ABI | awk '{ print $$3 }' ),1)")
 BB_TRIPLET_LIBGFORTRAN := $(subst $(SPACE),-,$(filter-out cxx%,$(subst -,$(SPACE),$(BB_TRIPLET_LIBGFORTRAN_CXXABI))))
 BB_TRIPLET_CXXABI := $(subst $(SPACE),-,$(filter-out libgfortran%,$(subst -,$(SPACE),$(BB_TRIPLET_LIBGFORTRAN_CXXABI))))
@@ -1507,7 +1507,7 @@ endif
 endif
 ifeq ($(OS),Darwin)
 ifeq ($(ARCH),aarch64)
-LIBGCC_NAME := libgcc_s.2.$(SHLIB_EXT)
+LIBGCC_NAME := libgcc_s.1.1.$(SHLIB_EXT)
 else
 LIBGCC_NAME := libgcc_s.1.$(SHLIB_EXT)
 endif

Makefile

@@ -48,7 +48,7 @@ $(BUILDROOT)/doc/_build/html/en/index.html: $(shell find $(BUILDROOT)/base $(BUI
 
 julia-symlink: julia-cli-$(JULIA_BUILD_MODE)
 ifeq ($(OS),WINNT)
-	@echo '@"%~dp0\'"$$(echo $(call rel_path,$(BUILDROOT),$(JULIA_EXECUTABLE)) | tr / '\\')"\" '%*' > $(BUILDROOT)/julia.bat
+	echo '@"%~dp0/'"$$(echo '$(call rel_path,$(BUILDROOT),$(JULIA_EXECUTABLE))')"'" %*' | tr / '\\' > $(BUILDROOT)/julia.bat
 	chmod a+x $(BUILDROOT)/julia.bat
 else
 ifndef JULIA_VAGRANT_BUILD
@@ -431,9 +431,21 @@ ifeq ($(OS), Linux)
 endif
 ifeq ($(OS), WINNT)
 	cd $(BUILDROOT)/julia-$(JULIA_COMMIT)/bin && rm -f llvm* llc.exe lli.exe opt.exe LTO.dll bugpoint.exe macho-dump.exe
+endif
+	# If we're on macOS, and we have a codesigning identity, then codesign the binary-dist tarball!
+ifeq ($(OS),Darwin)
+ifneq ($(MACOS_CODESIGN_IDENTITY),)
+	echo "Codesigning with identity $(MACOS_CODESIGN_IDENTITY)"; \
+	MACHO_FILES=$$(find "$(BUILDROOT)/julia-$(JULIA_COMMIT)" -type f -perm -0111 | cut -d: -f1); \
+	for f in $${MACHO_FILES}; do \
+		echo "Codesigning $${f}..."; \
+		codesign -s "$(MACOS_CODESIGN_IDENTITY)" --option=runtime --entitlements $(JULIAHOME)/contrib/mac/app/Entitlements.plist -vvv --timestamp --deep --force "$${f}"; \
+	done
+endif
 endif
 	cd $(BUILDROOT) && $(TAR) zcvf $(JULIA_BINARYDIST_FILENAME).tar.gz julia-$(JULIA_COMMIT)
 
+
 exe:
 	# run Inno Setup to compile installer
 	$(call spawn,$(JULIAHOME)/dist-extras/inno/iscc.exe /DAppVersion=$(JULIA_VERSION) /DSourceDir="$(call cygpath_w,$(BUILDROOT)/julia-$(JULIA_COMMIT))" /DRepoDir="$(call cygpath_w,$(JULIAHOME))" /F"$(JULIA_BINARYDIST_FILENAME)" /O"$(call cygpath_w,$(BUILDROOT))" $(INNO_ARGS) $(call cygpath_w,$(JULIAHOME)/contrib/windows/build-installer.iss))

base/Base.jl

@@ -275,9 +275,6 @@ include("weakkeydict.jl")
 
 include("env.jl")
 
-# BinaryPlatforms, used by Artifacts
-include("binaryplatforms.jl")
-
 # functions defined in Random
 function rand end
 function randn end
@@ -332,6 +329,9 @@ using .Order
 include("sort.jl")
 using .Sort
 
+# BinaryPlatforms, used by Artifacts.  Needs `Sort`.
+include("binaryplatforms.jl")
+
 # Fast math
 include("fastmath.jl")
 using .FastMath

base/Makefile

@@ -206,7 +206,11 @@ else ifneq ($(USE_SYSTEM_OPENLIBM),0)
 $(eval $(call symlink_system_library,OPENLIBM,$(LIBMNAME)))
 endif
 
+ifeq ($(APPLE_ARCH),arm64)
+$(eval $(call symlink_system_library,CSL,libgcc_s,1.1))
+else
 $(eval $(call symlink_system_library,CSL,libgcc_s,1))
+endif
 ifneq (,$(LIBGFORTRAN_VERSION))
 $(eval $(call symlink_system_library,CSL,libgfortran,$(LIBGFORTRAN_VERSION)))
 endif

base/abstractarray.jl

@@ -2315,6 +2315,24 @@ function _typed_hvncat_dims(::Type{T}, dims::NTuple{N, Int}, row_first::Bool, as
 
     outdims = zeros(Int, N)
 
+    # validate shapes for lowest level of concatenation
+    d = findfirst(>(1), dims)
+    if d !== nothing # all dims are 1
+        nblocks = length(as) ÷ dims[d]
+        for b ∈ 1:nblocks
+            offset = ((b - 1) * dims[d])
+            startelementi = offset + 1
+            for i ∈ offset .+ (2:dims[d])
+                for dd ∈ 1:N
+                    dd == d && continue
+                    if size(as[startelementi], dd) != size(as[i], dd)
+                        throw(ArgumentError("incompatible shape in element $i"))
+                    end
+                end
+            end
+        end
+    end
+
     # discover number of rows or columns
     for i ∈ 1:dims[d1]
         outdims[d1] += cat_size(as[i], d1)

base/abstractdict.jl

@@ -155,7 +155,10 @@ empty(a::AbstractDict) = empty(a, keytype(a), valtype(a))
 empty(a::AbstractDict, ::Type{V}) where {V} = empty(a, keytype(a), V) # Note: this is the form which makes sense for `Vector`.
 
 copy(a::AbstractDict) = merge!(empty(a), a)
-copy!(dst::AbstractDict, src::AbstractDict) = merge!(empty!(dst), src)
+function copy!(dst::AbstractDict, src::AbstractDict)
+    dst === src && return dst
+    merge!(empty!(dst), src)
+end
 
 """
     merge!(d::AbstractDict, others::AbstractDict...)

base/abstractset.jl

@@ -3,7 +3,10 @@
 eltype(::Type{<:AbstractSet{T}}) where {T} = @isdefined(T) ? T : Any
 sizehint!(s::AbstractSet, n) = nothing
 
-copy!(dst::AbstractSet, src::AbstractSet) = union!(empty!(dst), src)
+function copy!(dst::AbstractSet, src::AbstractSet)
+    dst === src && return dst
+    union!(empty!(dst), src)
+end
 
 ## set operations (union, intersection, symmetric difference)
 

base/asyncevent.jl

@@ -43,13 +43,22 @@ the async condition object itself.
 """
 function AsyncCondition(cb::Function)
     async = AsyncCondition()
-    t = @task while _trywait(async)
-        cb(async)
-        isopen(async) || return
+    t = @task begin
+        unpreserve_handle(async)
+        while _trywait(async)
+            cb(async)
+            isopen(async) || return
+        end
+    end
+    # here we are mimicking parts of _trywait, in coordination with task `t`
+    preserve_handle(async)
+    @lock async.cond begin
+        if async.set
+            schedule(t)
+        else
+            _wait2(async.cond, t)
+        end
     end
-    lock(async.cond)
-    _wait2(async.cond, t)
-    unlock(async.cond)
     return async
 end
 
@@ -103,7 +112,11 @@ unsafe_convert(::Type{Ptr{Cvoid}}, async::AsyncCondition) = async.handle
 
 function _trywait(t::Union{Timer, AsyncCondition})
     set = t.set
-    if !set
+    if set
+        # full barrier now for AsyncCondition
+        t isa Timer || Core.Intrinsics.atomic_fence(:acquire_release)
+    else
+        t.isopen || return false
         t.handle == C_NULL && return false
         iolock_begin()
         set = t.set
@@ -112,14 +125,12 @@ function _trywait(t::Union{Timer, AsyncCondition})
             lock(t.cond)
             try
                 set = t.set
-                if !set
-                    if t.handle != C_NULL
-                        iolock_end()
-                        set = wait(t.cond)
-                        unlock(t.cond)
-                        iolock_begin()
-                        lock(t.cond)
-                    end
+                if !set && t.isopen && t.handle != C_NULL
+                    iolock_end()
+                    set = wait(t.cond)
+                    unlock(t.cond)
+                    iolock_begin()
+                    lock(t.cond)
                 end
             finally
                 unlock(t.cond)
@@ -255,19 +266,28 @@ julia> begin
 """
 function Timer(cb::Function, timeout::Real; interval::Real=0.0)
     timer = Timer(timeout, interval=interval)
-    t = @task while _trywait(timer)
-        try
-            cb(timer)
-        catch err
-            write(stderr, "Error in Timer:\n")
-            showerror(stderr, err, catch_backtrace())
-            return
+    t = @task begin
+        unpreserve_handle(timer)
+        while _trywait(timer)
+            try
+                cb(timer)
+            catch err
+                write(stderr, "Error in Timer:\n")
+                showerror(stderr, err, catch_backtrace())
+                return
+            end
+            isopen(timer) || return
+        end
+    end
+    # here we are mimicking parts of _trywait, in coordination with task `t`
+    preserve_handle(timer)
+    @lock timer.cond begin
+        if timer.set
+            schedule(t)
+        else
+            _wait2(timer.cond, t)
         end
-        isopen(timer) || return
     end
-    lock(timer.cond)
-    _wait2(timer.cond, t)
-    unlock(timer.cond)
     return timer
 end
 

base/asyncmap.jl

@@ -15,7 +15,7 @@ up to 100 tasks will be used for concurrent mapping.
 
 `ntasks` can also be specified as a zero-arg function. In this case, the
 number of tasks to run in parallel is checked before processing every element and a new
-task started if the value of `ntasks_func` is less than the current number
+task started if the value of `ntasks_func` is greater than the current number
 of tasks.
 
 If `batch_size` is specified, the collection is processed in batch mode. `f` must

base/binaryplatforms.jl

@@ -608,7 +608,8 @@ const arch_march_isa_mapping = let
             "armv8_0" => get_set("aarch64", "armv8.0-a"),
             "armv8_1" => get_set("aarch64", "armv8.1-a"),
             "armv8_2_crypto" => get_set("aarch64", "armv8.2-a+crypto"),
-            "armv8_4_crypto_sve" => get_set("aarch64", "armv8.4-a+crypto+sve"),
+            "a64fx" => get_set("aarch64", "a64fx"),
+            "apple_m1" => get_set("aarch64", "apple_m1"),
         ],
         "powerpc64le" => [
             "power8" => get_set("powerpc64le", "power8"),

base/cmd.jl

@@ -249,6 +249,15 @@ setenv(cmd::Cmd, env::Pair{<:AbstractString}...; dir=cmd.dir) =
     setenv(cmd, env; dir=dir)
 setenv(cmd::Cmd; dir=cmd.dir) = Cmd(cmd; dir=dir)
 
+# split environment entry string into before and after first `=` (key and value)
+function splitenv(e::String)
+    i = findnext('=', e, 2)
+    if i === nothing
+        throw(ArgumentError("malformed environment entry"))
+    end
+    e[1:prevind(e, i)], e[nextind(e, i):end]
+end
+
 """
     addenv(command::Cmd, env...; inherit::Bool = true)
 
@@ -268,7 +277,7 @@ function addenv(cmd::Cmd, env::Dict; inherit::Bool = true)
             merge!(new_env, ENV)
         end
     else
-        for (k, v) in split.(cmd.env, "=")
+        for (k, v) in splitenv.(cmd.env)
             new_env[string(k)::String] = string(v)::String
         end
     end
@@ -283,7 +292,7 @@ function addenv(cmd::Cmd, pairs::Pair{<:AbstractString}...; inherit::Bool = true
 end
 
 function addenv(cmd::Cmd, env::Vector{<:AbstractString}; inherit::Bool = true)
-    return addenv(cmd, Dict(k => v for (k, v) in split.(env, "=")); inherit)
+    return addenv(cmd, Dict(k => v for (k, v) in splitenv.(env)); inherit)
 end
 
 (&)(left::AbstractCmd, right::AbstractCmd) = AndCmds(left, right)

base/cpuid.jl

@@ -56,9 +56,10 @@ const ISAs_by_family = Dict(
     "aarch64" => [
         # Implicit in all sets, because always required: fp, asimd
         "armv8.0-a" => ISA(Set{UInt32}()),
-        "armv8.1-a" => ISA(Set((JL_AArch64_lse, JL_AArch64_crc, JL_AArch64_rdm))),
-        "armv8.2-a+crypto" => ISA(Set((JL_AArch64_lse, JL_AArch64_crc, JL_AArch64_rdm, JL_AArch64_aes, JL_AArch64_sha2))),
-        "armv8.4-a+crypto+sve" => ISA(Set((JL_AArch64_lse, JL_AArch64_crc, JL_AArch64_rdm, JL_AArch64_fp16fml, JL_AArch64_aes, JL_AArch64_sha2, JL_AArch64_dotprod, JL_AArch64_sve))),
+        "armv8.1-a" => ISA(Set((JL_AArch64_v8_1a, JL_AArch64_lse, JL_AArch64_crc, JL_AArch64_rdm))),
+        "armv8.2-a+crypto" => ISA(Set((JL_AArch64_v8_2a, JL_AArch64_lse, JL_AArch64_crc, JL_AArch64_rdm, JL_AArch64_aes, JL_AArch64_sha2))),
+        "a64fx" => ISA(Set((JL_AArch64_v8_2a, JL_AArch64_lse, JL_AArch64_crc, JL_AArch64_rdm, JL_AArch64_sha2, JL_AArch64_ccpp, JL_AArch64_complxnum, JL_AArch64_fullfp16, JL_AArch64_sve))),
+        "apple_m1" => ISA(Set((JL_AArch64_v8_5a, JL_AArch64_lse, JL_AArch64_crc, JL_AArch64_rdm, JL_AArch64_aes, JL_AArch64_sha2, JL_AArch64_sha3, JL_AArch64_ccpp, JL_AArch64_complxnum, JL_AArch64_fp16fml, JL_AArch64_fullfp16, JL_AArch64_dotprod, JL_AArch64_rcpc, JL_AArch64_altnzcv))),
     ],
     "powerpc64le" => [
         # We have no way to test powerpc64le features yet, so we're only going to declare the lowest ISA:
@@ -88,14 +89,27 @@ function normalize_arch(arch::String)
     return arch
 end
 
+let
+    # Collect all relevant features for the current architecture, if any.
+    FEATURES = UInt32[]
+    arch = normalize_arch(String(Sys.ARCH))
+    if arch in keys(ISAs_by_family)
+        for isa in ISAs_by_family[arch]
+            unique!(append!(FEATURES, last(isa).features))
+        end
+    end
+
+    # Use `@eval` to inline the list of features.
+    @eval function cpu_isa()
+        return ISA(Set{UInt32}(feat for feat in $(FEATURES) if test_cpu_feature(feat)))
+    end
+end
+
 """
     cpu_isa()
 
 Return the [`ISA`](@ref) (instruction set architecture) of the current CPU.
 """
-function cpu_isa()
-    all_features = last(last(get(ISAs_by_family, normalize_arch(String(Sys.ARCH)), "" => [ISA(Set{UInt32}())]))).features
-    return ISA(Set{UInt32}(feat for feat in all_features if test_cpu_feature(feat)))
-end
+cpu_isa
 
 end # module CPUID

base/io.jl

@@ -20,7 +20,7 @@ struct SystemError <: Exception
     extrainfo
     SystemError(p::AbstractString, e::Integer, extrainfo) = new(p, e, extrainfo)
     SystemError(p::AbstractString, e::Integer) = new(p, e, nothing)
-    SystemError(p::AbstractString) = new(p, Libc.errno())
+    SystemError(p::AbstractString) = new(p, Libc.errno(), nothing)
 end
 
 lock(::IO) = nothing

base/mpfr.jl

@@ -294,7 +294,14 @@ function round(::Type{T}, x::BigFloat, r::Union{RoundingMode, MPFRRoundingMode})
     end
     return unsafe_trunc(T, res)
 end
-round(::Type{BigInt}, x::BigFloat, r::Union{RoundingMode, MPFRRoundingMode}) = _unchecked_cast(BigInt, x, r)
+
+function round(::Type{BigInt}, x::BigFloat, r::Union{RoundingMode, MPFRRoundingMode})
+    clear_flags()
+    res = _unchecked_cast(BigInt, x, r)
+    had_range_exception() && throw(InexactError(:round, BigInt, x))
+    return res
+end
+
 round(::Type{T}, x::BigFloat, r::RoundingMode) where T<:Union{Signed, Unsigned} =
     invoke(round, Tuple{Type{<:Union{Signed, Unsigned}}, BigFloat, Union{RoundingMode, MPFRRoundingMode}}, T, x, r)
 round(::Type{BigInt}, x::BigFloat, r::RoundingMode) =

base/process.jl

@@ -391,16 +391,25 @@ process failed, or if the process attempts to print anything to stdout.
 """
 function open(f::Function, cmds::AbstractCmd, args...; kwargs...)
     P = open(cmds, args...; kwargs...)
+    function waitkill(P::Process)
+        close(P)
+        # 0.1 seconds after we hope it dies (from closing stdio),
+        # we kill the process with SIGTERM (15)
+        local t = Timer(0.1) do t
+            process_running(P) && kill(P)
+        end
+        wait(P)
+        close(t)
+    end
     ret = try
         f(P)
     catch
-        kill(P)
-        close(P)
+        waitkill(P)
         rethrow()
     end
     close(P.in)
     if !eof(P.out)
-        close(P.out)
+        waitkill(P)
         throw(_UVError("open(do)", UV_EPIPE))
     end
     success(P) || pipeline_error(P)