[Bug driver/54789] New: [4.8 Regression] Error in GCC driver when defining GCC_COMPARE_DEBUG

[d.g.gorbachev at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54789

             Bug #: 54789
           Summary: [4.8 Regression] Error in GCC driver when defining
                    GCC_COMPARE_DEBUG
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: driver
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: d.g.gorbachev@gmail.com


GCC 4.8.0 20120930 (experimental)

$ gcc -fcompare-debug=-gtoggle a.c
$ GCC_COMPARE_DEBUG=yes gcc a.c
gcc: error: unrecognized command line option '-fcompare-debug=-gtoggle'