Improve error recovery around colon.

Parse of nested name spacifier is modified so that it properly recovers
if colon is mistyped as double colon in case statement.
This patch fixes PR15133.

Differential Revision: http://llvm-reviews.chandlerc.com/D2870

llvm-svn: 206135

1 files changed, 2 insertions, 3 deletions

diff --git a/clang/test/SemaCXX/nested-name-spec.cpp b/clang/test/SemaCXX/nested-name-spec.cpp
index 8587e70158b..bfbf9c4135f 100644
--- a/clang/test/SemaCXX/nested-name-spec.cpp
+++ b/clang/test/SemaCXX/nested-name-spec.cpp
@@ -8,13 +8,12 @@ namespace A {
     static int Ag1();
     static int Ag2();
   };
-  int ax;
+  int ax; // expected-note {{'ax' declared here}}
   void Af();
 }
 
 A:: ; // expected-error {{expected unqualified-id}}
-// FIXME: there is a member 'ax'; it's just not a class.
-::A::ax::undef ex3; // expected-error {{no member named 'ax'}}
+::A::ax::undef ex3; // expected-error {{'ax' is not a class, namespace, or scoped enumeration}}
 A::undef1::undef2 ex4; // expected-error {{no member named 'undef1'}}
 
 int A::C::Ag1() { return 0; }