Emit error when using a bound member function for something other than calling it.

Also avoids IRGen crashes due to accepting invalid code.

llvm-svn: 117943

1 files changed, 6 insertions, 0 deletions

diff --git a/clang/lib/AST/Expr.cpp b/clang/lib/AST/Expr.cpp
index 6829557734f..078bd7c8a1b 100644
--- a/clang/lib/AST/Expr.cpp
+++ b/clang/lib/AST/Expr.cpp
@@ -1324,6 +1324,12 @@ bool Expr::isOBJCGCCandidate(ASTContext &Ctx) const {
   }
 }
 
+bool Expr::isBoundMemberFunction(ASTContext &Ctx) const {
+  if (isTypeDependent())
+    return false;
+  return isLvalue(Ctx) == Expr::LV_MemberFunction;
+}
+
 static Expr::CanThrowResult MergeCanThrow(Expr::CanThrowResult CT1,
                                           Expr::CanThrowResult CT2) {
   // CanThrowResult constants are ordered so that the maximum is the correct