Don't ICE (issue diagnostics) when receiver is a non-objc

type.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62355 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Sema/SemaExprObjC.cpp b/lib/Sema/SemaExprObjC.cpp
index 548389db373bd044545b4282e2e3aa694808be23..8f4d677179665a169aee424ab94f55fe44c73473 100644 (file)
--- a/lib/Sema/SemaExprObjC.cpp
+++ b/lib/Sema/SemaExprObjC.cpp
@@ -239,8 +239,9 @@ Sema::ExprResult Sema::ActOnClassMessage(
     if (TypedefDecl *OCTD = dyn_cast_or_null<TypedefDecl>(IDecl)) {
       const ObjCInterfaceType *OCIT;
       OCIT = OCTD->getUnderlyingType()->getAsObjCInterfaceType();
-      if (OCIT)
-        ClassDecl = OCIT->getDecl();
+      if (!OCIT)
+        return Diag(receiverLoc, diag::err_invalid_receiver_to_message);
+      ClassDecl = OCIT->getDecl();
     }
   }
   assert(ClassDecl && "missing interface declaration");

diff --git a/test/SemaObjC/invalid-receiver.m b/test/SemaObjC/invalid-receiver.m
new file mode 100644 (file)
index 0000000..829ec5d
--- /dev/null
+++ b/test/SemaObjC/invalid-receiver.m
@@ -0,0 +1,9 @@
+// RUN: clang -fsyntax-only -verify %s
+
+typedef struct NotAClass {
+  int a, b;
+} NotAClass;
+
+void foo() {
+  [NotAClass nonexistent_method]; // expected-error {{invalid receiver to message expression}}
+}