Merge pull request #253 from jtbandes/master

Fix crash in `DependentGenericTypeResolver::resolveDependentMemberType`

Author: DougGregor

lib/Sema/TypeCheckGeneric.cpp

@@ -30,7 +30,11 @@ Type DependentGenericTypeResolver::resolveDependentMemberType(
                                      DeclContext *DC,
                                      SourceRange baseRange,
                                      ComponentIdentTypeRepr *ref) {
-  return Builder.resolveArchetype(baseTy)->getRepresentative()
+  auto archetype = Builder.resolveArchetype(baseTy);
+  if (!archetype)
+    return ErrorType::get(DC->getASTContext());
+  
+  return archetype->getRepresentative()
            ->getNestedType(ref->getIdentifier(), Builder)
            ->getDependentType(Builder, true);
 }

validation-test/compiler_crashers/00066-diagnoseunknowntype.swift renamed to validation-test/compiler_crashers_fixed/00066-diagnoseunknowntype.swift

@@ -1,4 +1,4 @@
-// RUN: not --crash %target-swift-frontend %s -parse
+// RUN: not %target-swift-frontend %s -parse
 
 // Distributed under the terms of the MIT license
 // Test case submitted to project by https://github.com/practicalswift (practicalswift)

validation-test/compiler_crashers/00211-swift-completegenerictyperesolver-resolvedependentmembertype.swift renamed to validation-test/compiler_crashers_fixed/00211-swift-completegenerictyperesolver-resolvedependentmembertype.swift

@@ -1,4 +1,4 @@
-// RUN: not --crash %target-swift-frontend %s -parse
+// RUN: not %target-swift-frontend %s -parse
 
 // Distributed under the terms of the MIT license
 // Test case submitted to project by https://github.com/practicalswift (practicalswift)

validation-test/compiler_crashers/00318-swift-diagnosticengine-flushactivediagnostic.swift renamed to validation-test/compiler_crashers_fixed/00318-swift-diagnosticengine-flushactivediagnostic.swift

@@ -1,4 +1,4 @@
-// RUN: not --crash %target-swift-frontend %s -parse
+// RUN: not %target-swift-frontend %s -parse
 
 // Distributed under the terms of the MIT license
 // Test case submitted to project by https://github.com/practicalswift (practicalswift)

validation-test/compiler_crashers/00409-llvm-raw-fd-ostream-write-impl.swift renamed to validation-test/compiler_crashers_fixed/00409-llvm-raw-fd-ostream-write-impl.swift

@@ -1,4 +1,4 @@
-// RUN: not --crash %target-swift-frontend %s -parse
+// RUN: not %target-swift-frontend %s -parse
 
 // Distributed under the terms of the MIT license
 // Test case submitted to project by https://github.com/practicalswift (practicalswift)

validation-test/compiler_crashers/00492-swift-metatypetype-get.swift renamed to validation-test/compiler_crashers_fixed/00492-swift-metatypetype-get.swift

@@ -1,4 +1,4 @@
-// RUN: not --crash %target-swift-frontend %s -parse
+// RUN: not %target-swift-frontend %s -parse
 
 // Distributed under the terms of the MIT license
 // Test case submitted to project by https://github.com/practicalswift (practicalswift)

validation-test/compiler_crashers/00530-swift-metatypetype-get.swift renamed to validation-test/compiler_crashers_fixed/00530-swift-metatypetype-get.swift

@@ -1,4 +1,4 @@
-// RUN: not --crash %target-swift-frontend %s -parse
+// RUN: not %target-swift-frontend %s -parse
 
 // Distributed under the terms of the MIT license
 // Test case submitted to project by https://github.com/practicalswift (practicalswift)

validation-test/compiler_crashers/00539-swift-nominaltypedecl-getdeclaredtypeincontext.swift renamed to validation-test/compiler_crashers_fixed/00539-swift-nominaltypedecl-getdeclaredtypeincontext.swift

@@ -1,4 +1,4 @@
-// RUN: not --crash %target-swift-frontend %s -parse
+// RUN: not %target-swift-frontend %s -parse
 
 // Distributed under the terms of the MIT license
 // Test case submitted to project by https://github.com/practicalswift (practicalswift)

validation-test/compiler_crashers/00626-swift-lexer-lexidentifier.swift renamed to validation-test/compiler_crashers_fixed/00626-swift-lexer-lexidentifier.swift

@@ -1,4 +1,4 @@
-// RUN: not --crash %target-swift-frontend %s -parse
+// RUN: not %target-swift-frontend %s -parse
 
 // Distributed under the terms of the MIT license
 // Test case submitted to project by https://github.com/practicalswift (practicalswift)

validation-test/compiler_crashers/00637-swift-lexer-getlocforendoftoken.swift renamed to validation-test/compiler_crashers_fixed/00637-swift-lexer-getlocforendoftoken.swift

@@ -1,4 +1,4 @@
-// RUN: not --crash %target-swift-frontend %s -parse
+// RUN: not %target-swift-frontend %s -parse
 
 // Distributed under the terms of the MIT license
 // Test case submitted to project by https://github.com/practicalswift (practicalswift)