[Bug bootstrap/57077] New: [4.9 Regression] LTO bootstrap failure with profiledbootstrap

["hjl.tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57077

             Bug #: 57077
           Summary: [4.9 Regression] LTO bootstrap failure with
                    profiledbootstrap
    Classification: Unclassified
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: hjl.tools@gmail.com
                CC: tejohnson@google.com


Revision 197595:

http://gcc.gnu.org/ml/gcc-cvs/2013-04/msg00303.html

caused LTO bootstrap failure with profiledbootstrap on
Linux/x86-64:

lto1: internal compiler error: in check_probability, at basic-block.h:941
0x9adcde check_probability
        /export/project/git/gcc-regression/gcc/gcc/basic-block.h:941
0x9adcde apply_probability
        /export/project/git/gcc-regression/gcc/gcc/basic-block.h:960
0x9adcde merge_profile_summaries
        /export/project/git/gcc-regression/gcc/gcc/lto-cgraph.c:1423
0x9adcde input_symtab()
        /export/project/git/gcc-regression/gcc/gcc/lto-cgraph.c:1469
0x53c3f1 read_cgraph_and_symbols
        /export/project/git/gcc-regression/gcc/gcc/lto/lto.c:3010
0x53c3f1 lto_main()
        /export/project/git/gcc-regression/gcc/gcc/lto/lto.c:3375
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
lto-wrapper:
/export/project/git/gcc-regression-bootstrap/master/197595/bld/./prev-gcc/xg++
returned 1 exit status
/usr/local/x86_64-unknown-linux-gnu/bin/ld: lto-wrapper failed
collect2: error: ld returned 1 exit status
make[3]: *** [build/genhooks] Error 1