[Bug fortran/59023] [4.9 regression] ICE in gfc_search_interface with BIND(C)

[dominiq at lps dot ens.fr]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59023

Dominique d'Humieres <dominiq at lps dot ens.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2013-11-17
     Ever confirmed|0                           |1

--- Comment #2 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
Backtrace

Program received signal SIGSEGV, Segmentation fault.
0x000000010003da12 in gfc_search_interface (intr=0x141d08f00, sub_flag=0,
ap=0x141d1e0a0) at ../../work/gcc/fortran/interface.c:3407
3407        if (a->expr && a->expr->expr_type == EXPR_NULL
(gdb) bt
#0  0x000000010003da12 in gfc_search_interface (intr=0x141d08f00, sub_flag=0,
ap=0x141d1e0a0) at ../../work/gcc/fortran/interface.c:3407
#1  0x0000000100085611 in gfc_resolve_expr (e=0x141d08f00) at
../../work/gcc/fortran/resolve.c:2477
#2  0x000000010008a2f0 in resolve_code (code=<optimized out>, ns=<optimized
out>) at ../../work/gcc/fortran/resolve.c:9772
#3  0x000000010008cac4 in resolve_codes (ns=0x141d08f00) at
../../work/gcc/fortran/resolve.c:14624
#4  0x000000010008c9c8 in resolve_codes (ns=0x141d08f00) at
../../work/gcc/fortran/resolve.c:14610
#5  0x000000010008cbbd in gfc_resolve (ns=<optimized out>) at
../../work/gcc/fortran/resolve.c:14652
#6  0x00000001000786e1 in gfc_parse_file () at
../../work/gcc/fortran/parse.c:4672
#7  0x00000001000b9d96 in gfc_be_parse_file () at
../../work/gcc/fortran/f95-lang.c:188
#8  0x000000010082f774 in compile_file () at ../../work/gcc/toplev.c:545
#9  0x000000010083190a in toplev_main (argc=1, argv=0x7fff5fbff550) at
../../work/gcc/toplev.c:1891
(gdb) p *intr
$1 = {sym = 0x141d1d210, where = {nextc = 0x141d0d3c0, lb = 0x141d0d380}, next
= 0x0warning: (Internal error: pc 0x0 in read in psymtab, but not in symtab.)

}