Don't infinite-loop if TryAnnotateCXXScopeToken fails to annotate but doesn't
signal an error.  This can happen even when the current token is '::' if
this is a ::new or ::delete expression.

This was an oversight in my recent parser refactor;  fixes PR 5825.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@97462 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Parser/cxx-decl.cpp b/test/Parser/cxx-decl.cpp
index f37604c..c8f2c0b 100644
--- a/test/Parser/cxx-decl.cpp
+++ b/test/Parser/cxx-decl.cpp
@@ -58,3 +58,7 @@
   int y;
   int z  // expected-error {{expected ';' at end of declaration list}}
 };
+
+// PR5825
+struct test5 {};
+::new(static_cast<void*>(0)) test5; // expected-error {{expected unqualified-id}}