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: unassig...@gcc.gnu.org

        ReportedBy: hjl.to...@gmail.com

                CC: tejohn...@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

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