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[Bug lto/42665] Internal compiler exception in with gfortran when using -fwhole-program -flto -fopenmp



------- Comment #5 from jjcogliati-r1 at yahoo dot com  2010-01-08 22:28 -------
(In reply to comment #4)
> Subject: Re:  Internal compiler exception in with gfortran
>  when using  -fwhole-program -flto -fopenmp
> 
> On Fri, 8 Jan 2010, jjcogliati-r1 at yahoo dot com wrote:
> 
> > ------- Comment #3 from jjcogliati-r1 at yahoo dot com  2010-01-08 21:38 -------
> > (In reply to comment #1)
> > > Can you run it in a debugger and print what 'code' actually is?  Can you
> > > check if removing -g fixes the ICE?
> > > 
> > 
> > Code is: 
> > ERROR_MARK
> 
> Hm, ok.  I guess we need a testcase anyway.  A tarball with all
> preprocessed sources is probably enough.  You can also try reducing
> the set of files required by performing incremental linking with
> -r and omit files one-by-one.
> 
> Richard.
> 

(gdb) p *t
$16 = {base = {code = ERROR_MARK, side_effects_flag = 0, constant_flag = 0, 
    addressable_flag = 0, volatile_flag = 0, readonly_flag = 0, 
    unsigned_flag = 0, asm_written_flag = 0, nowarning_flag = 0, 
    used_flag = 0, nothrow_flag = 0, static_flag = 0, public_flag = 0, 
    private_flag = 0, protected_flag = 0, deprecated_flag = 0, 
    saturating_flag = 0, default_def_flag = 0, lang_flag_0 = 0, 
    lang_flag_1 = 0, lang_flag_2 = 0, lang_flag_3 = 0, lang_flag_4 = 0, 
    lang_flag_5 = 0, lang_flag_6 = 0, visited = 0, packed_flag = 0, 
    user_align = 0, spare = 0, address_space = 0}, common = {base = {
      code = ERROR_MARK, side_effects_flag = 0, constant_flag = 0, 
      addressable_flag = 0, volatile_flag = 0, readonly_flag = 0, 
      unsigned_flag = 0, asm_written_flag = 0, nowarning_flag = 0, 
      used_flag = 0, nothrow_flag = 0, static_flag = 0, public_flag = 0, 
      private_flag = 0, protected_flag = 0, deprecated_flag = 0, 
      saturating_flag = 0, default_def_flag = 0, lang_flag_0 = 0, 
      lang_flag_1 = 0, lang_flag_2 = 0, lang_flag_3 = 0, lang_flag_4 = 0, 
      lang_flag_5 = 0, lang_flag_6 = 0, visited = 0, packed_flag = 0, 
      user_align = 0, spare = 0, address_space = 0}, chain = 0x0, 

if we go up 1 to:
(gdb) up
#1  0x00000000005ee1cc in iterative_hash_gimple_type (type=0x7ffff1df3888, 
    val=<value optimized out>, sccstack=0x7fffffffda38, sccstate=0x1269440, 
    sccstate_obstack=0x7fffffffd9e0)
    at ../../gcc-4.5-20100107/gcc/gimple.c:3711
3711          v = iterative_hash_expr (TYPE_MAX_VALUE (type), v);
(gdb) p type
$17 = (union tree_node *) 0x7ffff1df3888
(gdb) p *type
$18 = {base = {code = INTEGER_TYPE, side_effects_flag = 0, constant_flag = 0, 
    addressable_flag = 0, volatile_flag = 0, readonly_flag = 0, 
    unsigned_flag = 0, asm_written_flag = 0, nowarning_flag = 0, 
    used_flag = 0, nothrow_flag = 0, static_flag = 0, public_flag = 0, 
    private_flag = 0, protected_flag = 0, deprecated_flag = 0, 
    saturating_flag = 0, default_def_flag = 0, lang_flag_0 = 0, 
    lang_flag_1 = 0, lang_flag_2 = 0, lang_flag_3 = 0, lang_flag_4 = 0, 
    lang_flag_5 = 0, lang_flag_6 = 0, visited = 0, packed_flag = 0, 
    user_align = 0, spare = 0, address_space = 0}, common = {base = {
      code = INTEGER_TYPE, side_effects_flag = 0, constant_flag = 0, 
      addressable_flag = 0, volatile_flag = 0, readonly_flag = 0, 
      unsigned_flag = 0, asm_written_flag = 0, nowarning_flag = 0, 
      used_flag = 0, nothrow_flag = 0, static_flag = 0, public_flag = 0, 
      private_flag = 0, protected_flag = 0, deprecated_flag = 0, 
      saturating_flag = 0, default_def_flag = 0, lang_flag_0 = 0, 

Maybe that helps.  If I have inspiration over the weekend I will try to make a
test case on Monday. 


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42665


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