Add support for const pointer to literal-objc string as format attribute.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148948 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 0 deletions

diff --git a/lib/Sema/SemaChecking.cpp b/lib/Sema/SemaChecking.cpp
index f5a8b448a1..950a575891 100644
--- a/lib/Sema/SemaChecking.cpp
+++ b/lib/Sema/SemaChecking.cpp
@@ -1441,6 +1441,10 @@ bool Sema::SemaCheckStringLiteral(const Expr *E, Expr **Args,
       } else if (const PointerType *PT = T->getAs<PointerType>()) {
         isConstant = T.isConstant(Context) &&
                      PT->getPointeeType().isConstant(Context);
+      } else if (T->isObjCObjectPointerType()) {
+        // In ObjC, there is usually no "const ObjectPointer" type,
+        // so don't check if the pointee type is constant.
+        isConstant = T.isConstant(Context);
       }
 
       if (isConstant) {