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| author | Warren Ristow <warren.ristow@sony.com> | 2017-02-02 17:53:34 +0000 |
|---|---|---|
| committer | Warren Ristow <warren.ristow@sony.com> | 2017-02-02 17:53:34 +0000 |
| commit | 8d17b4050076c9dea7b68dc0ac208de8f19d9c01 (patch) | |
| tree | 8fd1acb107836947c199e2bdaa5b6c0c2c6bc6a4 /clang/test | |
| parent | fc89bbcc712550d91e018a682e9369df88e80872 (diff) | |
| download | bcm5719-llvm-8d17b4050076c9dea7b68dc0ac208de8f19d9c01.tar.gz bcm5719-llvm-8d17b4050076c9dea7b68dc0ac208de8f19d9c01.zip | |
Prevent ICE in dllexport class with _Atomic data member
Guard against a null pointer dereference that caused Clang to crash
when processing a class containing an _Atomic qualified data member,
and that is tagged with 'dllexport'.
Differential Revision: https://reviews.llvm.org/D29208
llvm-svn: 293911
Diffstat (limited to 'clang/test')
| -rw-r--r-- | clang/test/CodeGenCXX/atomic-dllexport.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/clang/test/CodeGenCXX/atomic-dllexport.cpp b/clang/test/CodeGenCXX/atomic-dllexport.cpp new file mode 100644 index 00000000000..ae142224316 --- /dev/null +++ b/clang/test/CodeGenCXX/atomic-dllexport.cpp @@ -0,0 +1,9 @@ +// RUN: %clang_cc1 -triple i686-windows-msvc -emit-llvm -std=c++11 -fms-extensions -O0 -o - %s | FileCheck --check-prefix=M32 %s +// RUN: %clang_cc1 -triple x86_64-windows-msvc -emit-llvm -std=c++11 -fms-extensions -O0 -o - %s | FileCheck --check-prefix=M64 %s + +struct __declspec(dllexport) SomeStruct { + // Copy assignment operator should be produced, and exported: + // M32: define weak_odr dllexport x86_thiscallcc dereferenceable({{[0-9]+}}) %struct.SomeStruct* @"\01??4SomeStruct@@QAEAAU0@ABU0@@Z" + // M64: define weak_odr dllexport dereferenceable({{[0-9]+}}) %struct.SomeStruct* @"\01??4SomeStruct@@QEAAAEAU0@AEBU0@@Z" + _Atomic(int) mData; +}; |
