The blocks ABI is wrong, add a FIXME.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65243 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 3 insertions, 0 deletions

diff --git a/lib/CodeGen/CGBlocks.cpp b/lib/CodeGen/CGBlocks.cpp
index d4e72acda0..60bf73f0b4 100644
--- a/lib/CodeGen/CGBlocks.cpp
+++ b/lib/CodeGen/CGBlocks.cpp
@@ -43,6 +43,9 @@ llvm::Constant *CodeGenFunction::BuildDescriptorBlockDecl(uint64_t Size) {
   Elts.push_back(C);
 
   // Size
+  // FIXME: What is the right way to say this doesn't fit?  We should give
+  // a user diagnostic in that case.  Better fix would be to change the
+  // API to size_t.
   C = llvm::ConstantInt::get(UnsignedLongTy, Size);
   Elts.push_back(C);