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From: "pthaugen at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/63919] New: Segfault with r217560 building 462.libquantum from cpu2006
Date: Mon, 17 Nov 2014 17:24:00 -0000
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: tree-optimization
X-Bugzilla-Version: 5.0
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X-Bugzilla-Who: pthaugen at gcc dot gnu.org
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63919

            Bug ID: 63919
           Summary: Segfault with r217560 building 462.libquantum from
                    cpu2006
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: pthaugen at gcc dot gnu.org
                CC: bergner at gcc dot gnu.org, dje at gcc dot gnu.org,
                    rguenth at gcc dot gnu.org
              Host: powerpc64-unknown-linux-gnu
            Target: powerpc64-unknown-linux-gnu
             Build: powerpc64-unknown-linux-gnu

Created attachment 34004
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34004&action=edit
reduced testcase

462.libquantum fails to build with current trunk, bisected to r217560.
Attaching reduced testcase.

> gcc -c -m64 -O3 -ffast-math measure.c
gcc: internal compiler error: Segmentation fault (program cc1)
0x1000e6c7 execute
    /home/pthaugen/src/gcc/gcc_hunt/gcc/gcc/gcc.c:2912
0x1000f853 do_spec_1
    /home/pthaugen/src/gcc/gcc_hunt/gcc/gcc/gcc.c:4837
0x1000f5fb process_brace_body
    /home/pthaugen/src/gcc/gcc_hunt/gcc/gcc/gcc.c:6120
0x1000f5fb handle_braces
    /home/pthaugen/src/gcc/gcc_hunt/gcc/gcc/gcc.c:6034
0x1001077b do_spec_1
    /home/pthaugen/src/gcc/gcc_hunt/gcc/gcc/gcc.c:5491
0x1000f5fb process_brace_body
    /home/pthaugen/src/gcc/gcc_hunt/gcc/gcc/gcc.c:6120
...