[LLVMbugs] [Bug 2720] New: incorrect sema error: initializer element is not a compile-time constant

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=2720

           Summary: incorrect sema error: initializer element is not a
                    compile-time constant
           Product: clang
           Version: unspecified
          Platform: PC
               URL: http://h5l.org
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Semantic Analyzer
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: kremenek at apple.com
                CC: llvmbugs at cs.uiuc.edu


clang doesn't believe the initializer in the following struct variable is a
compile-time constant:

const AlgorithmIdentifier _hx509_signature_rsa_with_sha512_data = {
    { 7, ((void *)(uintptr_t)(const void *)(rsa_with_sha512_oid)) }, ((void
*)0)
};

clang -fsyntax-only emits an error:

 gcc -fsyntax-only /tmp/t.c
(kremenek at grue:~)$ clang -fsyntax-only /tmp/t.c
/tmp/t.c:26:19: error: initializer element is not a compile-time constant
    { 7, ((void *)(uintptr_t)(const void *)(rsa_with_sha512_oid)) }, ((void
*)0)
                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 diagnostic generated.

gcc eats this without complaints.

Test case attached.  The testcase is reduced from a preprocessed file from
h5l.org (an BSD-style Kerberos 5 implementation).


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