http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58978
octoploid at yandex dot com changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Resolution|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58978
--- Comment #13 from Jakub Jelinek ---
Author: jakub
Date: Mon Nov 4 20:17:17 2013
New Revision: 204357
URL: http://gcc.gnu.org/viewcvs?rev=204357&root=gcc&view=rev
Log:
PR tree-optimization/58978
* tree-vrp.c (all_imm_uses_in_stmt_or_fe
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58978
--- Comment #12 from octoploid at yandex dot com ---
(In reply to Jakub Jelinek from comment #11)
> Created attachment 31153 [details]
> gcc49-pr58978.patch
>
> Supposedly this updated patch would fix even that?
Yes. Thanks.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58978
--- Comment #10 from octoploid at yandex dot com ---
(In reply to octoploid from comment #9)
> With your patch applied I get this new ICE:
>
I've posted the wrong backtrace. Here's the correct one:
/var/tmp/gcc_test/usr/local/bin/g++ -w -c -std=gn
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58978
Jakub Jelinek changed:
What|Removed |Added
Attachment #31148|0 |1
is obsolete|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58978
--- Comment #9 from octoploid at yandex dot com ---
With your patch applied I get this new ICE:
/home/markus/mozilla-central/js/src/jit/IonBuilder.cpp:6937:1: internal
compiler error: Segmentation fault
IonBuilder::jsop_getelem_typed(MDefinition
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58978
--- Comment #8 from Richard Biener ---
(In reply to Jakub Jelinek from comment #6)
> Created attachment 31148 [details]
> gcc49-pr58978.patch
>
> While your patch will work too, I think it is better to fix it differently,
> the problem is that si
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58978
Marek Polacek changed:
What|Removed |Added
Assignee|mpolacek at gcc dot gnu.org|jakub at gcc dot gnu.org
--- Comme
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58978
--- Comment #6 from Jakub Jelinek ---
Created attachment 31148
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=31148&action=edit
gcc49-pr58978.patch
While your patch will work too, I think it is better to fix it differently, the
problem is th
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58978
Marek Polacek changed:
What|Removed |Added
Status|NEW |ASSIGNED
Assignee|unassigned at
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58978
--- Comment #4 from Jakub Jelinek ---
Reduced testcase:
int
foo (int x)
{
switch (x)
{
case 0:
case 1:
case 9:
break;
default:
__builtin_unreachable ();
}
return x;
}
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58978
--- Comment #3 from Marek Polacek ---
Thus, hopefully:
--- a/gcc/tree-vrp.c
+++ b/gcc/tree-vrp.c
@@ -6479,8 +6479,9 @@ all_imm_uses_in_stmt_or_feed_cond (tree var, gimple stmt,
basic_blo
&& single_imm_use (gimple_assign_lhs (use_stm
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58978
--- Comment #2 from Marek Polacek ---
Here, single_imm_use can set the stmt to NULL:
/* If there aren't any uses whatsoever, we're done. */
if (ptr == ptr->next)
{
return_false:
*use_p = NULL_USE_OPERAND_P;
*stmt = NUL
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58978
Marek Polacek changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58978
octoploid at yandex dot com changed:
What|Removed |Added
CC||jakub at gcc dot gnu.org
---
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