gcc -O3 -floop-block test_seg.c
test_seg.c: In function 'gate1':
test_seg.c:17: 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 bt is giving following result:
(gdb) set args -O3 -floop-block test_seg.c
(gdb) r
Starting program: /u/ssa/mthakkar/gcc_latest/graphite_build/gcc/cc1 -O3
-floop-block test_seg.c
vprintf getchar getc_unlocked getchar_unlocked putchar fputc_unlocked
putc_unlocked putchar_unlocked feof_unlocked ferror_unlocked get_state gate1
Analyzing compilation unit
Performing interprocedural optimizations
<visibility> <early_local_cleanups> <summary generate> <cp> <inline>
<static-var> <pure-const>Assembling functions:
get_state gate1
Program received signal SIGSEGV, Segmentation fault.
0x0000000000ab8eb8 in build_scops_1 (current=0x0, scops=0x7fff76984028,
loop=0x2b6f355c5460) at ../../graphite/gcc/graphite.c:1507
1507 for (i = 0; VEC_iterate (edge, sinfo.last->succs, i, e); i++)
(gdb) bt
#0 0x0000000000ab8eb8 in build_scops_1 (current=0x0, scops=0x7fff76984028,
loop=0x2b6f355c5460) at ../../graphite/gcc/graphite.c:1507
#1 0x0000000000ab9779 in build_scops_1 (current=0x2b6f355c0660,
scops=0x7fff76984168, loop=0x2b6f355c5500) at
../../graphite/gcc/graphite.c:1433
#2 0x0000000000ab9123 in build_scops_1 (current=0x2b6f355c0360,
scops=0x7fff769842a8, loop=0x2b6f355c5460) at
../../graphite/gcc/graphite.c:1304
#3 0x0000000000ab9123 in build_scops_1 (current=0x2b6f355b3d80,
scops=0x7fff769843e8, loop=0x2b6f355c53c0) at
../../graphite/gcc/graphite.c:1304
#4 0x0000000000ab9038 in build_scops_1 (current=0x2b6f355b3de0,
scops=0x7fff76984528, loop=0x2b6f355c5320) at
../../graphite/gcc/graphite.c:1268
#5 0x0000000000ab93c4 in build_scops_1 (current=0x2b6f35594e40,
scops=0x7fff76984618, loop=0x2b6f355c5320) at
../../graphite/gcc/graphite.c:1377
#6 0x0000000000abbbfe in graphite_transform_loops () at
../../graphite/gcc/graphite.c:1837
#7 0x00000000007b0557 in graphite_transforms () at
../../graphite/gcc/tree-ssa-loop.c:298
#8 0x000000000063ce28 in execute_one_pass (pass=0xf21d60) at
../../graphite/gcc/passes.c:1279
#9 0x000000000063d065 in execute_pass_list (pass=0xf21d60) at
../../graphite/gcc/passes.c:1327
#10 0x000000000063d07d in execute_pass_list (pass=0xf21ac0) at
../../graphite/gcc/passes.c:1328
#11 0x000000000063d07d in execute_pass_list (pass=0xf20f80) at
../../graphite/gcc/passes.c:1328
#12 0x00000000007313cc in tree_rest_of_compilation (fndecl=0x2b6f35590a00) at
../../graphite/gcc/tree-optimize.c:418
#13 0x00000000008a6c64 in cgraph_expand_function (node=0x2b6f35590b00) at
../../graphite/gcc/cgraphunit.c:1038
#14 0x00000000008a8a35 in cgraph_optimize () at
../../graphite/gcc/cgraphunit.c:1097
#15 0x0000000000417363 in c_write_global_declarations () at
../../graphite/gcc/c-decl.c:8073
#16 0x00000000006e2adf in toplev_main (argc=<value optimized out>, argv=<value
optimized out>) at ../../graphite/gcc/toplev.c:979
#17 0x00002b6f34d1f184 in __libc_start_main () from /lib64/libc.so.6
#18 0x0000000000404e89 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=37928
