Fortran lang changes

[David Edelsohn]

>>>>> FX  writes:

>> In addition to DW_AT_language, I believe that the string itself
>> appears in executables and other applications may depend on the string.

FX> No, it doesn't appear, I tried. (With dwarf and with stabs.)

static dw_die_ref
gen_compile_unit_die (const char *filename)
{
...
  sprintf (producer, "%s %s", language_string, version_string);

X> I found the culprit, however:

FX> config/rs6000/rs6000.c:        || ! strcmp (language_string, "GNU F95"))

	Yes, I already was testing a patch for that.

David