[Bug c/69522] gcc hangs on valid code on x86_64-linux-gnu

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69522

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |compile-time-hog
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2016-01-28
          Component|tree-optimization           |c
     Ever confirmed|0                           |1

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
backtrace from where it never finishes:

#6  0x00000000007a3315 in output_pending_init_elements (all=1, 
    braced_init_obstack=0x7fffffffd790)
    at /space/rguenther/src/svn/trunk3/gcc/c/c-typeck.c:8890
#7  0x000000000079fe1a in pop_init_level (loc=189056, implicit=0, 
    braced_init_obstack=0x7fffffffd790)
    at /space/rguenther/src/svn/trunk3/gcc/c/c-typeck.c:7787
#8  0x00000000007c4680 in c_parser_braced_init (parser=0x7ffff69af000, 
    type=<tree 0x0>, nested_p=false)
    at /space/rguenther/src/svn/trunk3/gcc/c/c-parser.c:4376
#9  0x00000000007c42e9 in c_parser_initializer (parser=0x7ffff69af000)
    at /space/rguenther/src/svn/trunk3/gcc/c/c-parser.c:4310
#10 0x00000000007bf6cf in c_parser_declaration_or_fndef (
    parser=0x7ffff69af000, fndef_ok=false, static_assert_ok=true, 
    empty_ok=true, nested=false, start_attr_ok=true, 
    objc_foreach_object_declaration=0x0, omp_declare_simd_clauses=..., 
    oacc_routine_clauses=<tree 0x0>)