------- Comment #3 from gcc-tgc at jupiterrise dot com 2010-04-25 09:34 -------
$ gdb --args /export/home/tgc/build/gcc450_all_native/./gcc/cc1 -fpreprocessed
divtf3.i -quiet -dumpbase divtf3.c -mtune=generic -march=pentium4
-auxbase-strip divtf3.o -g -g -g -O2 -O2 -O2 -W -Wall -Wwrite-strings
-Wcast-qual -Wstrict-prototypes -Wold-style-definition -Wno-missing-prototypes
-Wno-type-limits -version -fPIC -fexceptions -o divtf3.s
GNU gdb 6.6
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GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
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This GDB was configured as "i386-pc-solaris2.8"...
(gdb) break fancy_abort
Breakpoint 1 at 0x84c5bc4: file
/export/home/tgc/source/gcc-4.5.0/gcc/diagnostic.c, line 763.
(gdb) run
Starting program: /export/home/tgc/build/gcc450_all_native/gcc/cc1
-fpreprocessed divtf3.i -quiet -dumpbase divtf3.c -mtune=generic
-march=pentium4 -auxbase-strip divtf3.o -g -g -g -O2 -O2 -O2 -W -Wall
-Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wold-style-definition
-Wno-missing-prototypes -Wno-type-limits -version -fPIC -fexceptions -o
divtf3.s
warning: Temporarily disabling breakpoints for unloaded shared library
"/usr/lib/ld.so.1"
GNU C (GCC) version 4.5.0 (i386-pc-solaris2.8)
compiled by GNU C version 4.3.4, GMP version 5.0.1, MPFR version 2.4.2,
MPC version 0.8.1
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
GNU C (GCC) version 4.5.0 (i386-pc-solaris2.8)
compiled by GNU C version 4.3.4, GMP version 5.0.1, MPFR version 2.4.2,
MPC version 0.8.1
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
Compiler executable checksum: 69cf92c491c71b15695da53015b23e3b
/export/home/tgc/source/gcc-4.5.0/libgcc/../gcc/config/soft-fp/divtf3.c: In
function '__divtf3':
/export/home/tgc/source/gcc-4.5.0/libgcc/../gcc/config/soft-fp/divtf3.c:38:169:
warning: 'R_e' may be used uninitialized in this function
Program received signal SIGSEGV, Segmentation fault.
0x084bd3c5 in df_ref_compare (r1=0xa3278a4, r2=0xa3278ac) at
/export/home/tgc/source/gcc-4.5.0/gcc/df-scan.c:2357
2357 if (DF_REF_CLASS (ref1) != DF_REF_CLASS (ref2))
(gdb) bt
#0 0x084bd3c5 in df_ref_compare (r1=0xa3278a4, r2=0xa3278ac) at
/export/home/tgc/source/gcc-4.5.0/gcc/df-scan.c:2357
#1 0xdf89b889 in qsort () from /usr/lib/libc.so.1
#2 0x084bd8e2 in df_sort_and_compress_refs (ref_vec=0x8047678) at
/export/home/tgc/source/gcc-4.5.0/gcc/df-scan.c:2449
#3 0x084be0cb in df_canonize_collection_rec (collection_rec=0x8047674) at
/export/home/tgc/source/gcc-4.5.0/gcc/df-scan.c:2581
#4 0x084bfd2b in df_insn_refs_collect (collection_rec=0x8047674,
bb=0xdf5f7e40, insn_info=0xa2b93ec) at
/export/home/tgc/source/gcc-4.5.0/gcc/df-scan.c:3589
#5 0x084c035a in df_bb_refs_record (bb_index=89, scan_insns=1 '\001') at
/export/home/tgc/source/gcc-4.5.0/gcc/df-scan.c:3728
#6 0x084b9dce in df_scan_blocks () at
/export/home/tgc/source/gcc-4.5.0/gcc/df-scan.c:702
#7 0x08497012 in rest_of_handle_df_initialize () at
/export/home/tgc/source/gcc-4.5.0/gcc/df-core.c:739
#8 0x0898b161 in execute_one_pass (pass=0xa137580) at
/export/home/tgc/source/gcc-4.5.0/gcc/passes.c:1568
#9 0x0898b340 in execute_pass_list (pass=0xa137580) at
/export/home/tgc/source/gcc-4.5.0/gcc/passes.c:1623
#10 0x0898b360 in execute_pass_list (pass=0xa1c40c0) at
/export/home/tgc/source/gcc-4.5.0/gcc/passes.c:1624
#11 0x08e5878c in tree_rest_of_compilation (fndecl=0xdf7bb880) at
/export/home/tgc/source/gcc-4.5.0/gcc/tree-optimize.c:413
#12 0x0965ac8e in cgraph_expand_function (node=0xdf7cc170) at
/export/home/tgc/source/gcc-4.5.0/gcc/cgraphunit.c:1548
#13 0x0965aeec in cgraph_expand_all_functions () at
/export/home/tgc/source/gcc-4.5.0/gcc/cgraphunit.c:1627
#14 0x0965b4da in cgraph_optimize () at
/export/home/tgc/source/gcc-4.5.0/gcc/cgraphunit.c:1875
#15 0x09659584 in cgraph_finalize_compilation_unit () at
/export/home/tgc/source/gcc-4.5.0/gcc/cgraphunit.c:1096
#16 0x0811c18b in c_write_global_declarations () at
/export/home/tgc/source/gcc-4.5.0/gcc/c-decl.c:9519
#17 0x08c28bb5 in compile_file () at
/export/home/tgc/source/gcc-4.5.0/gcc/toplev.c:1065
#18 0x08c2abea in do_compile () at
/export/home/tgc/source/gcc-4.5.0/gcc/toplev.c:2417
#19 0x08c2acb7 in toplev_main (argc=29, argv=0x8047948) at
/export/home/tgc/source/gcc-4.5.0/gcc/toplev.c:2459
#20 0x0829301f in main (argc=Cannot access memory at address 0x2
) at /export/home/tgc/source/gcc-4.5.0/gcc/main.c:35
(gdb)
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43870
