Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: shatz at dsit dot co.il
Target Milestone: ---
Created attachment 37989
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37989&action=edit
minimal test
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70255
--- Comment #8 from shatz at dsit dot co.il ---
Now a bit of philosophy.
Bugs aside, I should say that use of function attribute optimize() does not
look to me as an ideal solution for forcing ISO rules.
>From theoretical point of view, when
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70255
--- Comment #7 from shatz at dsit dot co.il ---
(In reply to Richard Biener from comment #1)
> Confirmed. The issue seems to be that you add the optimize attribute after
> the function definition.
>
> This causes .original t
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70255
--- Comment #12 from shatz at dsit dot co.il ---
(In reply to Marek Polacek from comment #11)
> I added the warning, so closing as fixed.
Warning is nice, but IMHO it is far more important to document the behavior in
online documentat
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--- Comment #14 from shatz at dsit dot co.il ---
(In reply to Marek Polacek from comment #13)
> So what exactly is not documented?
>
> And I disagree that a warning isn't necessary just because something is
> documented --
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70255
--- Comment #18 from shatz at dsit dot co.il ---
(In reply to Manuel López-Ibáñez from comment #15)
> (In reply to shatz from comment #14)
> > It is not documented that __attribute__((optimize(""))) works reliably when
>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70255
--- Comment #20 from shatz at dsit dot co.il ---
(In reply to Marek Polacek from comment #19)
> Markus recently committed a patch (r235580) that points out that this
> attribute should only be used for debugging.
3 weeks after the patch I
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70255
--- Comment #22 from shatz at dsit dot co.il ---
(In reply to Jakub Jelinek from comment #21)
> It can't be changed in those manuals, ever, both 6.1 and 5.3 releases have
> already been released, their documentation, including onli
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80283
shatz at dsit dot co.il changed:
What|Removed |Added
CC||shatz at dsit dot co.il
