Printing for using directives, e.g.,

  using namespace std::debug;

Extended UsingDirectiveDecl to store the nested-name-specifier that
precedes the nominated namespace.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72614 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Coverage/c-language-features.inc b/test/Coverage/c-language-features.inc
index 5258040..bcf4127 100644
--- a/test/Coverage/c-language-features.inc
+++ b/test/Coverage/c-language-features.inc
@@ -140,6 +140,7 @@
   int t32 = __real (t32_cond ? t32_a : t32_b);
 
   struct { int x, y; } t33, *t34, t35[12], t36(int, float);
+  float t37, *t38, t39[9], t40(double);
 }
 
 // Extended vectors