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-rw-r--r--lib/CodeGen/CGExprScalar.cpp5
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!