[LLVMbugs] [Bug 18400] New: Underlying type of an enum class doesn't discard cv-qualifiers

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=18400

            Bug ID: 18400
           Summary: Underlying type of an enum class doesn't discard
                    cv-qualifiers
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++11
          Assignee: unassignedclangbugs at nondot.org
          Reporter: ville.voutilainen at gmail.com
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified

enum class IDontDiscardQualifiers : int const volatile { }; 

int main() 
{
  static_assert(is_same<underlying_type<IDontDiscardQualifiers>::type,
                                        int>::value, "");
}

gcc accepts this, as it discards the const from the underlying type, clang
doesn't.

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