Whenever we complain about a failed initialization of a function or

method parameter, provide a note pointing at the parameter itself so
the user does not have to manually look for the function/method being
called and match up parameters to arguments. For example, we now get:

t.c:4:5: warning: incompatible pointer types passing 'long *' to
parameter of
      type 'int *' [-pedantic]
  f(long_ptr);
    ^~~~~~~~
t.c:1:13: note: passing argument to parameter 'x' here
void f(int *x);
            ^

llvm-svn: 102038

1 files changed, 3 insertions, 1 deletions

diff --git a/clang/test/SemaObjCXX/message.mm b/clang/test/SemaObjCXX/message.mm
index 97ee499aff7..b75608e2327 100644
--- a/clang/test/SemaObjCXX/message.mm
+++ b/clang/test/SemaObjCXX/message.mm
@@ -84,9 +84,11 @@ struct MutableString : public String { };
 
 // C++-specific parameter types
 @interface I5
-- method:(const String&)str1 other:(String&)str2;
+- method:(const String&)str1 
+   other:(String&)str2; // expected-note{{passing argument to parameter 'str2' here}}
 @end
 
 void test_I5(I5 *i5, String s) {
   [i5 method:"hello" other:s];
+  [i5 method:s other:"world"]; // expected-error{{non-const lvalue reference to type 'String' cannot bind to a value of unrelated type 'char const [6]'}}
 }