[LLVMbugs] [Bug 8101] New: __has_nothrow_constructor failures

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Tue Sep 7 10:12:29 PDT 2010


           Summary: __has_nothrow_constructor failures
           Product: clang
           Version: unspecified
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: hhinnant at apple.com
                CC: llvmbugs at cs.uiuc.edu, dgregor at apple.com

I believe __has_nothrow_constructor is failing for void types, arrays of
unknown bounds, and classes with virtual destructors.  Specifically I believe
the following test should pass:

template <class T, bool Result>
    static_assert(__has_nothrow_constructor(T) == Result, "");

class VirtualDtor
    virtual ~VirtualDtor();

int main()
    test__has_nothrow_constructor<void, false>();
    test__has_nothrow_constructor<int[], false>();
    test__has_nothrow_constructor<VirtualDtor, true>();

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