http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48173
--- Comment #3 from Matthias Klose <doko at ubuntu dot com> 2011-03-22 13:13:57
UTC ---
had to reproduce it with a local build ...
the ice is triggered with any warning, -Warray-bounds as in the example, or
faster with -Wlong-long, e.g.:
-g -O2 -Warray-bounds -Wlong-long
Program received signal SIGSEGV, Segmentation fault.
pp_base_format (pp=0x7833fc, text=0xbeee47bc) at
../../src/gcc/pretty-print.c:217
217 new_chunk_array = XOBNEW (&buffer->chunk_obstack, struct chunk_info);
(gdb) bt
#0 pp_base_format (pp=0x7833fc, text=0xbeee47bc) at
../../src/gcc/pretty-print.c:217
#1 0x00166d54 in diagnostic_report_diagnostic (context=0x937a14,
diagnostic=0xbeee47bc)
at ../../src/gcc/diagnostic.c:541
#2 0x00086fc4 in pedwarn_c90 (location=<value optimized out>, opt=250,
gmsgid=0x7833fc "ISO C90 does not support %<long long%>") at
../../src/gcc/c-errors.c:62
#3 0x00095930 in declspecs_add_type (loc=572947, specs=0xa95758, spec=...)
at ../../src/gcc/c-decl.c:8780
#4 0x000b8d24 in c_parser_declspecs (parser=0x40824b60, specs=0xa95758,
scspec_ok=<value optimized out>, typespec_ok=<value optimized out>,
start_attr_ok=1 '\001',
la=cla_nonabstract_decl) at ../../src/gcc/c-parser.c:2090
#5 0x000b9c80 in c_parser_parameter_declaration (parser=0x40824b60,
attrs=<value optimized out>)
at ../../src/gcc/c-parser.c:3230
#6 0x000b9f84 in c_parser_parms_list_declarator (parser=0x40824b60,
id_list_ok=<value optimized out>,
attrs=<value optimized out>) at ../../src/gcc/c-parser.c:3137
#7 c_parser_parms_declarator (parser=0x40824b60, id_list_ok=<value optimized
out>,
attrs=<value optimized out>) at ../../src/gcc/c-parser.c:3085
#8 0x000ba51c in c_parser_direct_declarator_inner (parser=0x40824b60,
id_present=<value optimized out>, inner=0xa95738) at
../../src/gcc/c-parser.c:3015
#9 0x000b13b0 in c_parser_declaration_or_fndef (parser=0x40824b60, fndef_ok=1
'\001',
static_assert_ok=<value optimized out>, empty_ok=<value optimized out>,
nested=0 '\000',
start_attr_ok=1 '\001', objc_foreach_object_declaration=0x0) at
../../src/gcc/c-parser.c:1576
#10 0x000bd2d4 in c_parser_external_declaration (parser=0x40824b60) at
../../src/gcc/c-parser.c:1332
#11 0x000bdfdc in c_parser_translation_unit () at ../../src/gcc/c-parser.c:1220
#12 c_parse_file () at ../../src/gcc/c-parser.c:9950
#13 0x000eb36c in c_common_parse_file () at
../../src/gcc/c-family/c-opts.c:1077
#14 0x00333650 in compile_file (argc=11085600, argv=0x40024de0) at
../../src/gcc/toplev.c:579
#15 do_compile (argc=11085600, argv=0x40024de0) at ../../src/gcc/toplev.c:1900
#16 toplev_main (argc=11085600, argv=0x40024de0) at ../../src/gcc/toplev.c:1963
#17 0x000f94e0 in main (argc=<value optimized out>, argv=<value optimized out>)
at ../../src/gcc/main.c:36
(gdb) p buffer
$1 = (output_buffer *) 0x204f5349
(gdb) p buffer->chunk_obstack
Cannot access memory at address 0x204f5375
