------- Comment #15 from dominiq at lps dot ens dot fr 2010-03-02 09:47 ------- I just opened pr43227 for a similar regression. For the record the backtrace for the test in comment#1 with fortran-dev revision 157148 is
(gdb) run pr42274.f90 The program being debugged has been started already. Start it from the beginning? (y or n) y Starting program: /opt/gcc/gcc4.5d/libexec/gcc/x86_64-apple-darwin10/4.5.0/f951 pr42274.f90 is_null csclip d_csgetblk d_csgetrow d_b_csclip d_csclip is_null Program received signal EXC_BAD_ACCESS, Could not access memory. Reason: KERN_INVALID_ADDRESS at address: 0x0000000000000028 mio_pointer_ref (gp=0x28) at ../../for_work/gcc/fortran/module.c:2251 2251 p = get_pointer (*((char **) gp)); (gdb) bt #0 mio_pointer_ref (gp=0x28) at ../../for_work/gcc/fortran/module.c:2251 #1 0x0000000100059c79 in mio_symbol_ref (symp=<value temporarily unavailable, due to optimizations>) at ../../for_work/gcc/fortran/module.c:2512 #2 0x0000000100059fc9 in mio_typebound_proc (proc=0x1418e8040) at ../../for_work/gcc/fortran/module.c:3381 #3 0x000000010005b3ee in mio_component (c=0x1418e7fb0) at ../../for_work/gcc/fortran/module.c:2376 #4 0x000000010005b578 in mio_symbol (sym=0x1418e7690) at ../../for_work/gcc/fortran/module.c:2393 #5 0x000000010005b9ed in write_symbol (n=40, sym=0x1418e7690) at ../../for_work/gcc/fortran/module.c:4787 #6 0x000000010005ba9f in write_symbol1 (p=0x14187c560) at ../../for_work/gcc/fortran/module.c:4856 #7 0x000000010005ba65 in write_symbol1 (p=0x141870080) at ../../for_work/gcc/fortran/module.c:4860 #8 0x000000010005ba65 in write_symbol1 (p=0x14186ff60) at ../../for_work/gcc/fortran/module.c:4860 #9 0x000000010005ba53 in write_symbol1 (p=0x14187c8c0) at ../../for_work/gcc/fortran/module.c:4851 #10 0x000000010005ba65 in write_symbol1 (p=0x1418ce660) at ../../for_work/gcc/fortran/module.c:4860 #11 0x000000010005ba65 in write_symbol1 (p=0x1418cc130) at ../../for_work/gcc/fortran/module.c:4860 #12 0x000000010005ba65 in write_symbol1 (p=0x141868b70) at ../../for_work/gcc/fortran/module.c:4860 #13 0x000000010005ba65 in write_symbol1 (p=0x14187ab80) at ../../for_work/gcc/fortran/module.c:4860 #14 0x000000010005ba65 in write_symbol1 (p=0x14187b480) at ../../for_work/gcc/fortran/module.c:4860 #15 0x000000010005ba65 in write_symbol1 (p=0x1418c7e60) at ../../for_work/gcc/fortran/module.c:4860 #16 0x000000010005ba53 in write_symbol1 (p=0x1418c03c0) at ../../for_work/gcc/fortran/module.c:4851 #17 0x000000010005ba65 in write_symbol1 (p=0x1418c4e00) at ../../for_work/gcc/fortran/module.c:4860 #18 0x000000010005ba65 in write_symbol1 (p=0x1418c28e0) at ../../for_work/gcc/fortran/module.c:4860 #19 0x000000010005ba65 in write_symbol1 (p=0x141825cb0) at ../../for_work/gcc/fortran/module.c:4860 #20 0x000000010005ba65 in write_symbol1 (p=0x1418a87e0) at ../../for_work/gcc/fortran/module.c:4860 #21 0x000000010005d6dc in gfc_dump_module (name=0x7fff5fbfd3ad "", dump_flag=<value temporarily unavailable, due to optimizations>) at ../../for_work/gcc/fortran/module.c:5006 #22 0x0000000100069b5b in gfc_parse_file () at ../../for_work/gcc/fortran/parse.c:4226 #23 0x00000001000a2f4c in gfc_be_parse_file (set_yydebug=<value temporarily unavailable, due to optimizations>) at ../../for_work/gcc/fortran/f95-lang.c:239 #24 0x00000001006d61ea in toplev_main (argc=2, argv=0x7fff5fbfd968) at ../../for_work/gcc/toplev.c:1053 #25 0x00000001000017f4 in start () -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42274
