Add missing check for error return from DefaultLvalueConversion. Fixes <rdar://problem/12857416>.

llvm-svn: 170056

clang/lib/Sema/SemaExprCXX.cpp

@@ -2026,6 +2026,8 @@ Sema::ActOnCXXDelete(SourceLocation StartLoc, bool UseGlobal,
   if (!Ex.get()->isTypeDependent()) {
     // Perform lvalue-to-rvalue cast, if needed.
     Ex = DefaultLvalueConversion(Ex.take());
+    if (Ex.isInvalid())
+      return ExprError();
 
     QualType Type = Ex.get()->getType();
 

clang/test/SemaCXX/new-delete.cpp

@@ -499,3 +499,14 @@ namespace PR12061 {
     DeferredCookieTaskTest() {}
   };
 }
+
+class DeletingPlaceholder {
+  int* f() {
+    delete f; // expected-error {{reference to non-static member function must be called; did you mean to call it with no arguments?}}
+    return 0;
+  }
+  int* g(int, int) {
+    delete g; // expected-error {{reference to non-static member function must be called}}
+    return 0;
+  }
+};