[LLVMbugs] [Bug 11916] New: Problem compiling against GCC 4.7.0: use of undeclared identifier '__int128'; did you mean '__int128_t'?

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=11916

             Bug #: 11916
           Summary: Problem compiling against GCC 4.7.0: use of undeclared
                    identifier '__int128'; did you mean '__int128_t'?
           Product: new-bugs
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: release blocker
          Priority: P
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: salimma at fedoraproject.org
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified


When either compiling LLVM (both 3.0 and trunk) on GCC 4.7.0 x86_64, or
compiling third-party software that uses LLVM (e.g. Pure,
http://code.google.com/p/pure-lang/), I get the pasted error. Against GCC 4.6.2
LLVM (and Pure) builds fine.

Complete build logs:
llvm -- http://koji.fedoraproject.org/koji/taskinfo?taskID=3627742
pure -- http://koji.fedoraproject.org/koji/taskinfo?taskID=3759766

In file included from /usr/include/llvm/ExecutionEngine/ExecutionEngine.h:24:
In file included from /usr/include/llvm/ADT/ValueMap.h:29:
In file included from /usr/include/llvm/ADT/DenseMap.h:17:
In file included from /usr/include/llvm/Support/MathExtras.h:17:
In file included from /usr/include/llvm/Support/SwapByteOrder.h:20:
/usr/bin/../lib/gcc/x86_64-redhat-linux/4.7.0/../../../../include/c++/4.7.0/limits:1404:27:
error: use of undeclared identifier '__int128'; did you mean '__int128_t'?
    struct numeric_limits<__int128>
                          ^
/usr/bin/../lib/gcc/x86_64-redhat-linux/4.7.0/../../../../include/c++/4.7.0/limits:1478:36:
error: expected '>'
    struct numeric_limits<unsigned __int128>
                                   ^
/usr/bin/../lib/gcc/x86_64-redhat-linux/4.7.0/../../../../include/c++/4.7.0/limits:1478:5:
error: cannot combine with previous '(error)' declaration specifier
    struct numeric_limits<unsigned __int128>
    ^
/usr/bin/../lib/gcc/x86_64-redhat-linux/4.7.0/../../../../include/c++/4.7.0/limits:1478:44:
error: expected unqualified-id
    struct numeric_limits<unsigned __int128>
                                           ^

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