[Bug optimization/12628] [3.4 regression] Segfault with -fno-expensive-optimizations -fno-rerun-loop-opt

[pinskia at gcc dot gnu dot org]

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12628


pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|                            |1
   Last reconfirmed|0000-00-00 00:00:00         |2003-10-18 18:28:53
               date|                            |
   Target Milestone|---                         |3.4


------- Additional Comments From pinskia at gcc dot gnu dot org  2003-10-18 18:28 -------
I can confirm this on the mainline (20031017) on powerpc-apple-darwin:

Program received signal EXC_BAD_ACCESS, Could not access memory.
0x000af810 in init_alias_analysis () at /Volumes/UFS_Partition/pinskia/src/fsf/gcc-clean/
src/gcc/alias.c:2842
2842                      else if (REG_N_SETS (regno) == 1
(gdb) bt
#0  0x000af810 in init_alias_analysis () at /Volumes/UFS_Partition/pinskia/src/fsf/gcc-
clean/src/gcc/alias.c:2842
#1  0x000eb840 in bypass_jumps (file=0x0) at /Volumes/UFS_Partition/pinskia/src/fsf/
gcc-clean/src/gcc/gcse.c:7970
#2  0x0009ee78 in rest_of_compilation (decl=0x0) at /Volumes/UFS_Partition/pinskia/
src/fsf/gcc-clean/src/gcc/toplev.c:2560
#3  0x001403b4 in tree_rest_of_compilation (fndecl=0x0, nested_p=false) at /Volumes/
UFS_Partition/pinskia/src/fsf/gcc-clean/src/gcc/tree-optimize.c:168
#4  0x00018a98 in c_expand_body_1 (fndecl=0x4045f818, nested_p=0) at /Volumes/
UFS_Partition/pinskia/src/fsf/gcc-clean/src/gcc/c-decl.c:6157
#5  0x0013a22c in cgraph_expand_function (node=0x40bd3ee0) at /Volumes/
UFS_Partition/pinskia/src/fsf/gcc-clean/src/gcc/cgraphunit.c:495
#6  0x0013a990 in cgraph_optimize () at /Volumes/UFS_Partition/pinskia/src/fsf/gcc-
clean/src/gcc/cgraphunit.c:1273
#7  0x00049678 in c_objc_common_finish_file () at /Volumes/UFS_Partition/pinskia/src/
fsf/gcc-clean/src/gcc/c-objc-common.c:244
#8  0x0009d2b0 in toplev_main (argc=1078325600, argv=0x3e73e8) at /Volumes/
UFS_Partition/pinskia/src/fsf/gcc-clean/src/gcc/toplev.c:1821
#9  0x0000271c in _start (argc=17, argv=0xbffffb7c, envp=0xbffffbc4) at /SourceCache/
Csu/Csu-46/crt.c:267
#10 0x00002590 in start ()