improve the string literal comparison warning to not call @encode's "string literals".


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68407 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/SemaObjC/exprs.m b/test/SemaObjC/exprs.m
index 342449d..d51d135 100644
--- a/test/SemaObjC/exprs.m
+++ b/test/SemaObjC/exprs.m
@@ -15,5 +15,7 @@
             "bar"
            @"baz"
            " b\0larg";  // expected-warning {{literal contains NUL character}}
+
   
+  if (@encode(int) == "foo") { }  // expected-warning {{result of comparison against @encode is unspecified}}
 }