https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70336
--- Comment #11 from Jakub Jelinek ---
Author: jakub
Date: Tue Apr 5 21:33:37 2016
New Revision: 234764
URL: https://gcc.gnu.org/viewcvs?rev=234764&root=gcc&view=rev
Log:
PR c++/70336
* match.pd (nested int casts): Limit to GIMP
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70336
--- Comment #10 from Manuel López-Ibáñez ---
(In reply to Jakub Jelinek from comment #8)
> Here -Wconversion will warn for many casesm even in 4.9, eventhough one
> could argue that say in the f4 case nothing is lost during conversion, or
There
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70336
--- Comment #9 from Jakub Jelinek ---
(In reply to Manuel López-Ibáñez from comment #7)
> (In reply to Jakub Jelinek from comment #6)
> > Created attachment 38173 [details]
> > gcc6-pr70336.patch
> >
> > Patch to revert (for GENERIC only) the ma
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70336
--- Comment #8 from Jakub Jelinek ---
The above patch (untested so far) should get rid of the regression, thus we'd
warn exactly where 4.9 warned.
But, consider say:
void
f1 (unsigned char * x, int y, int z)
{
x[z / 8] |= (unsigned char) (0x80
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70336
--- Comment #7 from Manuel López-Ibáñez ---
(In reply to Jakub Jelinek from comment #6)
> Created attachment 38173 [details]
> gcc6-pr70336.patch
>
> Patch to revert (for GENERIC only) the match.pd change that causes this
> regression.
Does it
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70336
--- Comment #6 from Jakub Jelinek ---
Created attachment 38173
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38173&action=edit
gcc6-pr70336.patch
Patch to revert (for GENERIC only) the match.pd change that causes this
regression.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70336
--- Comment #5 from Manuel López-Ibáñez ---
(In reply to Jakub Jelinek from comment #4)
> Created attachment 38172 [details]
> gcc6-pr70336.patch
>
> IMNSHO -Wconversion is totally useless warning, and one where if you want to
> avoid "false pos
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70336
--- Comment #4 from Jakub Jelinek ---
Created attachment 38172
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38172&action=edit
gcc6-pr70336.patch
IMNSHO -Wconversion is totally useless warning, and one where if you want to
avoid "false po
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70336
Jakub Jelinek changed:
What|Removed |Added
CC||jakub at gcc dot gnu.org
--- Comment #3
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70336
Patrick Palka changed:
What|Removed |Added
CC||ppalka at gcc dot gnu.org
--- Comment #2
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70336
Manuel López-Ibáñez changed:
What|Removed |Added
Keywords||diagnostic
Status|UNCO
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