[Bug middle-end/49489] New: [4.7 Regression] gcc.c-torture/execute/builtin-bitops-1.c fails on x86_64-linux

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49489

           Summary: [4.7 Regression]
                    gcc.c-torture/execute/builtin-bitops-1.c fails on
                    x86_64-linux
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Keywords: wrong-code
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: ja...@gcc.gnu.org
        ReportedBy: ja...@gcc.gnu.org
            Target: x86_64-linux


__builtin_clrsb is broken on x86_64 (and other targets where it is only
supported by a library call in DImode).