http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55703



             Bug #: 55703

           Summary: [4.8 Regression] ICE: in lto_fixup_prevailing_decls,

                    at lto/lto.c:2732 in gcc.c-torture/execute/920721-4.c

    Classification: Unclassified

           Product: gcc

           Version: 4.8.0

            Status: UNCONFIRMED

          Severity: normal

          Priority: P3

         Component: lto

        AssignedTo: unassig...@gcc.gnu.org

        ReportedBy: zso...@seznam.cz





Created attachment 28975

  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28975

preprocessed source (gcc.c-torture/execute/920721-4.c)



Compiler output:

$ gcc -O2 -flto -fno-tree-copy-prop -fno-tree-dce 920721-4.i 

/mnt/svn/gcc-trunk/gcc/testsuite/gcc.c-torture/execute/920721-4.c: In function

'main':

/mnt/svn/gcc-trunk/gcc/testsuite/gcc.c-torture/execute/920721-4.c:54:2:

warning: incompatible implicit declaration of built-in function 'abort'

[enabled by default]

  abort();

  ^

/mnt/svn/gcc-trunk/gcc/testsuite/gcc.c-torture/execute/920721-4.c:56:3:

warning: incompatible implicit declaration of built-in function 'exit' [enabled

by default]

   exit(0);

   ^

lto1: internal compiler error: in lto_fixup_prevailing_decls, at lto/lto.c:2732

0x59c604 lto_fixup_prevailing_decls

        /mnt/svn/gcc-trunk/gcc/lto/lto.c:2732

0x59c604 lto_fixup_decls

        /mnt/svn/gcc-trunk/gcc/lto/lto.c:2853

0x59c604 read_cgraph_and_symbols

        /mnt/svn/gcc-trunk/gcc/lto/lto.c:3045

0x59c604 lto_main()

        /mnt/svn/gcc-trunk/gcc/lto/lto.c:3369

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: /mnt/svn/gcc-trunk/binary-latest/bin/gcc returned 1 exit status

/usr/bin/ld: lto-wrapper failed

collect2: error: ld returned 1 exit status



Tested revisions:

r194496 - crash

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