Allow a using directive to refer to the implicitly-defined namespace
"std", with a warning, to improve GCC compatibility. Fixes PR7517.
As a drive-by, add typo correction for using directives.
llvm-svn: 107172
diff --git a/clang/test/SemaCXX/using-directive.cpp b/clang/test/SemaCXX/using-directive.cpp
index 0d5c840..162f7fa 100644
--- a/clang/test/SemaCXX/using-directive.cpp
+++ b/clang/test/SemaCXX/using-directive.cpp
@@ -121,3 +121,8 @@
}
void f4() { f2(1); }
+
+// PR7517
+using namespace std; // expected-warning{{using directive refers to implicitly-defined namespace 'std'}}
+using namespace ::std; // expected-warning{{using directive refers to implicitly-defined namespace 'std'}}
+
