http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45815
Jack Howarth <howarth at nitro dot med.uc.edu> changed:
What |Removed |Added
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CC| |howarth at nitro dot
| |med.uc.edu
--- Comment #4 from Jack Howarth <howarth at nitro dot med.uc.edu> 2010-09-28
16:20:31 UTC ---
(In reply to comment #3)
> > That shouldn't happen, because flag_split_stack is initialized to -1, and
> > you
> > should only see that error if flag_split_stack != -1 in decode_options. Can
> > you find out what is setting flag_split_stack to a value other than -1?
>
> In gcc/opts.c at lines 1092-1102, I see
>
> if (flag_split_stack == -1)
> flag_split_stack = 0;
> else
> {
> if (!targetm.supports_split_stack (true))
> {
> error ("%<-fsplit-stack%> is not supported by "
> "this compiler configuration");
> flag_split_stack = 0;
> }
> }
I can confirm on x86_64-apple-darwin that the section...
if (flag_split_stack == -1)
flag_split_stack = 0;
is being executed during the compilation of /gcc.dg/pr37106-1.c
