Fix <rdar://problem/6786597> varargs not supported for Blocks under clang.
Teach Sema::SemaBuiltinVAStart() about blocks.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69201 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaChecking.cpp b/lib/Sema/SemaChecking.cpp
index d2aec65..827f63c 100644
--- a/lib/Sema/SemaChecking.cpp
+++ b/lib/Sema/SemaChecking.cpp
@@ -209,7 +209,9 @@
// Determine whether the current function is variadic or not.
bool isVariadic;
- if (getCurFunctionDecl()) {
+ if (CurBlock)
+ isVariadic = CurBlock->isVariadic;
+ else if (getCurFunctionDecl()) {
if (FunctionProtoType* FTP =
dyn_cast<FunctionProtoType>(getCurFunctionDecl()->getType()))
isVariadic = FTP->isVariadic();
@@ -234,7 +236,9 @@
// FIXME: This isn't correct for methods (results in bogus warning).
// Get the last formal in the current function.
const ParmVarDecl *LastArg;
- if (FunctionDecl *FD = getCurFunctionDecl())
+ if (CurBlock)
+ LastArg = *(CurBlock->TheDecl->param_end()-1);
+ else if (FunctionDecl *FD = getCurFunctionDecl())
LastArg = *(FD->param_end()-1);
else
LastArg = *(getCurMethodDecl()->param_end()-1);