[Bug bootstrap/54795] New: [4.8 Regression] Random profiledbootstrap failure with LTO

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54795

             Bug #: 54795
           Summary: [4.8 Regression] Random profiledbootstrap failure with
                    LTO
    Classification: Unclassified
           Product: gcc
           Version: 4.7.3
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: hjl.tools@gmail.com


On Linux/x86-64, revision 191825 configured with

--prefix=/usr/local --enable-clocale=gnu --with-system-zlib --enable-shared
--with-demangler-in-ld --with-build-config=bootstrap-lto --with-fpmath=sse
--enable-languages=c,c++,fortran,java,lto,objc

failed to profiledbootstrap:

/tmp/ccFJkgbJ.s: Assembler messages:
/tmp/ccFJkgbJ.s:752755: Error: invalid character (0x83) in mnemonic
make[7]: *** [/tmp/ccSxjzh4.ltrans14.ltrans.o] Error 1

It happens at random.