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From: "olegendo at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/58011] GCC segfaults at -O1
Date: Sun, 28 Jul 2013 19:35:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58011

Oleg Endo <olegendo at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2013-07-28
                 CC|                            |eraman at google dot com,
                   |                            |olegendo at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #1 from Oleg Endo <olegendo at gcc dot gnu.org> ---
With SVN rev 201282, SH cross compiler and -O2 I get:

 internal compiler error: Segmentation fault
 void f(unsigned p)
      ^
0x87a4250 crash_signal
    ../../gcc-trunk2/gcc/toplev.c:334
0x88f60c4 build_and_add_sum
    ../../gcc-trunk2/gcc/tree-ssa-reassoc.c:4473
0x88feb46 undistribute_ops_list
    ../../gcc-trunk2/gcc/tree-ssa-reassoc.c:1462
0x88ff334 reassociate_bb
    ../../gcc-trunk2/gcc/tree-ssa-reassoc.c:4244
0x88ff0e6 reassociate_bb
    ../../gcc-trunk2/gcc/tree-ssa-reassoc.c:4324
0x88ff0e6 reassociate_bb
    ../../gcc-trunk2/gcc/tree-ssa-reassoc.c:4324
0x88ff0e6 reassociate_bb
    ../../gcc-trunk2/gcc/tree-ssa-reassoc.c:4324
0x890118e do_reassoc
    ../../gcc-trunk2/gcc/tree-ssa-reassoc.c:4358
0x890118e execute_reassoc
    ../../gcc-trunk2/gcc/tree-ssa-reassoc.c:4440
Please submit a full bug report,

CC'ing Easwaran Raman who was the last to touch tree-ssa-reassoc.c according to
the changelog.