[LLVMbugs] [Bug 9036] New: Variadic base-specifier-list of union rejected

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Mon Jan 24 06:08:30 PST 2011


http://llvm.org/bugs/show_bug.cgi?id=9036

           Summary: Variadic base-specifier-list of union rejected
           Product: clang
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++0x
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: schaub.johannes at googlemail.com
                CC: llvmbugs at cs.uiuc.edu, dgregor at apple.com


Clang rejects this code:

  template<typename ...T> union A : T... { };
  A<> a;

Clang says at parse time "error: unions cannot have base classes", but it can't
know for sure until we instantiate it.

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