diff options
| author | Daniel Dunbar <daniel@zuster.org> | 2008-07-22 01:35:47 +0000 |
|---|---|---|
| committer | Daniel Dunbar <daniel@zuster.org> | 2008-07-22 01:35:47 +0000 |
| commit | 9140845f95d7dedd410d93c3390dd00104c76b0a (patch) | |
| tree | bd263b551b28310006ee23e22f9c07ceeaab477c /lib/CodeGen/CGExprScalar.cpp | |
| parent | 0c980d1997a92286d5c77c6e8a927674a371b357 (diff) | |
Prevent codegen crash on sizeof(<function type>), a gcc extension.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53899 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/CGExprScalar.cpp')
| -rw-r--r-- | lib/CodeGen/CGExprScalar.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/CodeGen/CGExprScalar.cpp b/lib/CodeGen/CGExprScalar.cpp index 5a4236a42c..092513670e 100644 --- a/lib/CodeGen/CGExprScalar.cpp +++ b/lib/CodeGen/CGExprScalar.cpp @@ -660,8 +660,9 @@ Value *ScalarExprEmitter::EmitSizeAlignOf(QualType TypeToSize, uint32_t ResultWidth = static_cast<uint32_t>(CGF.getContext().getTypeSize(RetType)); - // sizeof(void) and __alignof__(void) = 1 as a gcc extension. - if (TypeToSize->isVoidType()) + // sizeof(void) and __alignof__(void) = 1 as a gcc extension. Also + // for function types. + if (TypeToSize->isVoidType() || TypeToSize->isFunctionType()) return llvm::ConstantInt::get(llvm::APInt(ResultWidth, 1)); /// FIXME: This doesn't handle VLAs yet! |