Further improvement to wording of overload resolution diagnostics, and including
the sole parameter name in the diagnostic in more cases. Patch by Terry Long!

llvm-svn: 156807
diff --git a/clang/test/SemaCXX/default1.cpp b/clang/test/SemaCXX/default1.cpp
index a911e20..c8c197e 100644
--- a/clang/test/SemaCXX/default1.cpp
+++ b/clang/test/SemaCXX/default1.cpp
@@ -47,6 +47,13 @@
   void j (int f = 4);
   {
     void j (int f); // expected-note{{'j' declared here}}
-    j(); // expected-error{{too few arguments to function call, argument 'f' was not specified}}
+    j(); // expected-error{{too few arguments to function call, single argument 'f' was not specified}}
+  }
+}
+
+int i2() {
+  void j(int f = 4); // expected-note{{'j' declared here}}
+  {
+    j(2, 3); // expected-error{{too many arguments to function call, expected at most single argument 'f', have 2}}
   }
 }
diff --git a/clang/test/SemaCXX/overload-call.cpp b/clang/test/SemaCXX/overload-call.cpp
index db99444..09eb71d 100644
--- a/clang/test/SemaCXX/overload-call.cpp
+++ b/clang/test/SemaCXX/overload-call.cpp
@@ -324,9 +324,9 @@
   void foo(int n, const char *s, int t, int u = 0); // expected-note {{candidate function not viable: requires at least 3 arguments, but 2 were provided}}
 
   // PR 11857
-  void foo(int n); // expected-note {{candidate function not viable: requires argument 'n', but 2 were provided}}
-  void foo(unsigned n = 10); // expected-note {{candidate function not viable: requires at most argument 'n', but 2 were provided}}
-  void bar(int n, int u = 0); // expected-note {{candidate function not viable: requires at least argument 'n', but none were provided}}
+  void foo(int n); // expected-note {{candidate function not viable: requires single argument 'n', but 2 arguments were provided}}
+  void foo(unsigned n = 10); // expected-note {{candidate function not viable: allows at most single argument 'n', but 2 arguments were provided}}
+  void bar(int n, int u = 0); // expected-note {{candidate function not viable: requires at least argument 'n', but no arguments were provided}}
   void baz(int n = 0, int u = 0); // expected-note {{candidate function not viable: requires at most 2 arguments, but 3 were provided}}
 
   void test() {
diff --git a/clang/test/SemaCXX/overload-member-call.cpp b/clang/test/SemaCXX/overload-member-call.cpp
index 31dac19..0958620 100644
--- a/clang/test/SemaCXX/overload-member-call.cpp
+++ b/clang/test/SemaCXX/overload-member-call.cpp
@@ -83,10 +83,10 @@
     void baz(int i); // expected-note {{candidate function not viable: no known conversion from 'const test1::A' to 'int' for 1st argument}} 
 
     // PR 11857
-    void foo(int n); // expected-note {{candidate function not viable: requires argument 'n', but 2 were provided}}
-    void foo(unsigned n = 10); // expected-note {{candidate function not viable: requires at most argument 'n', but 2 were provided}}
-    void rab(double n, int u = 0); // expected-note {{candidate function not viable: requires at least argument 'n', but none were provided}}
-    void rab(int n, int u = 0); // expected-note {{candidate function not viable: requires at least argument 'n', but none were provided}}
+    void foo(int n); // expected-note {{candidate function not viable: requires single argument 'n', but 2 arguments were provided}}
+    void foo(unsigned n = 10); // expected-note {{candidate function not viable: allows at most single argument 'n', but 2 arguments were provided}}
+    void rab(double n, int u = 0); // expected-note {{candidate function not viable: requires at least argument 'n', but no arguments were provided}}
+    void rab(int n, int u = 0); // expected-note {{candidate function not viable: requires at least argument 'n', but no arguments were provided}}
     void zab(double n = 0.0, int u = 0); // expected-note {{candidate function not viable: requires at most 2 arguments, but 3 were provided}}
     void zab(int n = 0, int u = 0); // expected-note {{candidate function not viable: requires at most 2 arguments, but 3 were provided}}
   };