[LLVMbugs] [Bug 20290] New: typeid() does not yield a compile-time constant address

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=20290

            Bug ID: 20290
           Summary: typeid() does not yield a compile-time constant
                    address
           Product: clang
           Version: 3.4
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++11
          Assignee: unassignedclangbugs at nondot.org
          Reporter: david_work at me.com
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified

static_assert ( & typeid( int ) == & typeid( int ), "" );

As far as I can see, this is valid C++11, and nothing changes for the latest
C++14 draft. It does not include any id-expression, lvalue-to-rvalue
conversion, nor a typeid with polymorphic operand.

Such a construct would provide value-based compile time type identity. GCC
accepts it.

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