[LLVMbugs] [Bug 8136] New: clang doesn't detect invalid redeclarations after a using directive brings in something with the same name

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Mon Sep 13 13:38:51 PDT 2010


http://llvm.org/bugs/show_bug.cgi?id=8136

           Summary: clang doesn't detect invalid redeclarations after a
                    using directive brings in something with the same name
           Product: clang
           Version: unspecified
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: rjmccall at apple.com
                CC: llvmbugs at cs.uiuc.edu, dgregor at apple.com


This should obviously not compile (because of the conflict between the
namespace and the class):

namespace A {
  template <class T> class A;
}
using namespace A;
class A {};

I assume that the redecl lookup is finding the template, which is then dropped
because it's in the wrong scope.

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