[Bug middle-end/38073] New: [graphite] ICE: Segmentation fault

[mitul dot thakkar at amd dot com]

gcc -c -O3 -fgraphite-identity test_seg.c

test_seg.c: In function 'test_seg':
test_seg.c:1: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.



GDB is giving following message

Program received signal SIGSEGV, Segmentation fault.
find_uses_to_rename_use (bb=0x2adb75d73c00, use=0x0, use_blocks=0x100e8d0,
need_phis=0xfec758) at ../../graphite/gcc/tree-ssa-loop-manip.c:238
238       if (TREE_CODE (use) != SSA_NAME)
(gdb) bt
#0  find_uses_to_rename_use (bb=0x2adb75d73c00, use=0x0, use_blocks=0x100e8d0,
need_phis=0xfec758) at ../../graphite/gcc/tree-ssa-loop-manip.c:238
#1  0x00000000007a7525 in find_uses_to_rename_bb (bb=0x2adb75d73c00,
use_blocks=0x100e8d0, need_phis=0xfec758)
    at ../../graphite/gcc/tree-ssa-loop-manip.c:297
#2  0x00000000007a7abe in rewrite_into_loop_closed_ssa (changed_bbs=<value
optimized out>, update_flag=2048) at
../../graphite/gcc/tree-ssa-loop-manip.c:327
#3  0x0000000000abb9c9 in gloog (scop=0xffe020, stmt=<value optimized out>) at
../../graphite/gcc/graphite.c:4410
#4  0x0000000000abcf15 in graphite_transform_loops () at
../../graphite/gcc/graphite.c:5287
#5  0x00000000007b0d07 in graphite_transforms () at
../../graphite/gcc/tree-ssa-loop.c:298
#6  0x000000000063d408 in execute_one_pass (pass=0xf22da0) at
../../graphite/gcc/passes.c:1279
#7  0x000000000063d645 in execute_pass_list (pass=0xf22da0) at
../../graphite/gcc/passes.c:1327
#8  0x000000000063d65d in execute_pass_list (pass=0xf22b00) at
../../graphite/gcc/passes.c:1328
#9  0x000000000063d65d in execute_pass_list (pass=0xf21fc0) at
../../graphite/gcc/passes.c:1328
#10 0x0000000000731b5c in tree_rest_of_compilation (fndecl=0x2adb75d5de00) at
../../graphite/gcc/tree-optimize.c:418
#11 0x00000000008a7414 in cgraph_expand_function (node=0x2adb75d5df00) at
../../graphite/gcc/cgraphunit.c:1038
#12 0x00000000008a91e5 in cgraph_optimize () at
../../graphite/gcc/cgraphunit.c:1097
#13 0x0000000000417593 in c_write_global_declarations () at
../../graphite/gcc/c-decl.c:8073
#14 0x00000000006e326f in toplev_main (argc=<value optimized out>, argv=<value
optimized out>) at ../../graphite/gcc/toplev.c:979
#15 0x00002adb7556d184 in __libc_start_main () from /lib64/libc.so.6
#16 0x00000000004050b9 in _start ()


-- 
           Summary: [graphite] ICE: Segmentation fault
           Product: gcc
           Version: 4.4.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: mitul dot thakkar at amd dot com
 GCC build triplet: x86_64-unknown-linux-gnu
  GCC host triplet: x86_64-unknown-linux-gnu
GCC target triplet: x86_64-unknown-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38073