Fix block comparisons. Radar 6732116.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68171 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGBlocks.cpp b/lib/CodeGen/CGBlocks.cpp
index 16e926b..c05d323 100644
--- a/lib/CodeGen/CGBlocks.cpp
+++ b/lib/CodeGen/CGBlocks.cpp
@@ -412,18 +412,19 @@
/// function type for the block, including the first block literal argument.
static QualType getBlockFunctionType(ASTContext &Ctx,
const BlockPointerType *BPT) {
- const FunctionProtoType *FTy = cast<FunctionProtoType>(BPT->getPointeeType());
+ const FunctionProtoType *FTy = dyn_cast<FunctionProtoType>(BPT->getPointeeType());
+ const clang::QualType ResType = BPT->getPointeeType()->getAsFunctionType()->getResultType();
llvm::SmallVector<QualType, 8> Types;
Types.push_back(Ctx.getPointerType(Ctx.VoidTy));
- for (FunctionProtoType::arg_type_iterator i = FTy->arg_type_begin(),
- e = FTy->arg_type_end(); i != e; ++i)
- Types.push_back(*i);
+ if (FTy)
+ for (FunctionProtoType::arg_type_iterator i = FTy->arg_type_begin(),
+ e = FTy->arg_type_end(); i != e; ++i)
+ Types.push_back(*i);
- return Ctx.getFunctionType(FTy->getResultType(),
- &Types[0], Types.size(),
- FTy->isVariadic(), 0);
+ return Ctx.getFunctionType(ResType, &Types[0], Types.size(),
+ FTy && FTy->isVariadic(), 0);
}
RValue CodeGenFunction::EmitBlockCallExpr(const CallExpr* E) {