Add note to check what __alignof__ a function type should be.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53928 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGExprScalar.cpp b/lib/CodeGen/CGExprScalar.cpp
index 0925136..f3ac6a6 100644
--- a/lib/CodeGen/CGExprScalar.cpp
+++ b/lib/CodeGen/CGExprScalar.cpp
@@ -662,6 +662,7 @@
// sizeof(void) and __alignof__(void) = 1 as a gcc extension. Also
// for function types.
+ // FIXME: what is alignof a function type in gcc?
if (TypeToSize->isVoidType() || TypeToSize->isFunctionType())
return llvm::ConstantInt::get(llvm::APInt(ResultWidth, 1));