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* [Bug tree-optimization/49809] New: [4.7 regression] gimple_check failure at -O3
@ 2011-07-21 20:24 ebotcazou at gcc dot gnu.org
2011-07-22 10:51 ` [Bug tree-optimization/49809] " rguenth at gcc dot gnu.org
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: ebotcazou at gcc dot gnu.org @ 2011-07-21 20:24 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49809
Summary: [4.7 regression] gimple_check failure at -O3
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: ebotcazou@gcc.gnu.org
CC: rsandifo@gcc.gnu.org
Created attachment 24805
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24805
Reduced testcase
The patch
2011-07-19 Richard Sandiford <richard.sandiford@linaro.org>
PR tree-optimization/49742
* tree-data-ref.c (get_references_in_stmt): Treat the lhs of a call
as a potential write.
has introduced regressions in Ada of the form:
+===========================GNAT BUG DETECTED==============================+
| 4.7.0 20110720 (experimental) [trunk revision 176495] (i586-suse-linux-gnu)
GCC error:|
| gimple check: expected gimple_assign(error_mark), have |
| gimple_call(block) in gimple_assign_lhs, at gimple.h:1736
Reduced testcase suitable for the gnat.dg testsuite attached (to be
gnatchop-ed)
^ permalink raw reply [flat|nested] 5+ messages in thread* [Bug tree-optimization/49809] [4.7 regression] gimple_check failure at -O3 2011-07-21 20:24 [Bug tree-optimization/49809] New: [4.7 regression] gimple_check failure at -O3 ebotcazou at gcc dot gnu.org @ 2011-07-22 10:51 ` rguenth at gcc dot gnu.org 2011-07-25 9:44 ` rsandifo at gcc dot gnu.org ` (2 subsequent siblings) 3 siblings, 0 replies; 5+ messages in thread From: rguenth at gcc dot gnu.org @ 2011-07-22 10:51 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49809 Richard Guenther <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|--- |4.7.0 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/49809] [4.7 regression] gimple_check failure at -O3 2011-07-21 20:24 [Bug tree-optimization/49809] New: [4.7 regression] gimple_check failure at -O3 ebotcazou at gcc dot gnu.org 2011-07-22 10:51 ` [Bug tree-optimization/49809] " rguenth at gcc dot gnu.org @ 2011-07-25 9:44 ` rsandifo at gcc dot gnu.org 2011-07-25 14:52 ` rsandifo at gcc dot gnu.org 2011-07-25 14:56 ` rsandifo at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: rsandifo at gcc dot gnu.org @ 2011-07-25 9:44 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49809 rsandifo@gcc.gnu.org <rsandifo at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2011.07.25 09:43:58 AssignedTo|unassigned at gcc dot |rsandifo at gcc dot gnu.org |gnu.org | Ever Confirmed|0 |1 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/49809] [4.7 regression] gimple_check failure at -O3 2011-07-21 20:24 [Bug tree-optimization/49809] New: [4.7 regression] gimple_check failure at -O3 ebotcazou at gcc dot gnu.org 2011-07-22 10:51 ` [Bug tree-optimization/49809] " rguenth at gcc dot gnu.org 2011-07-25 9:44 ` rsandifo at gcc dot gnu.org @ 2011-07-25 14:52 ` rsandifo at gcc dot gnu.org 2011-07-25 14:56 ` rsandifo at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: rsandifo at gcc dot gnu.org @ 2011-07-25 14:52 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49809 --- Comment #1 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> 2011-07-25 14:51:50 UTC --- Author: rsandifo Date: Mon Jul 25 14:51:47 2011 New Revision: 176750 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=176750 Log: gcc/ PR tree-optimization/49809 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Use gimple_get_lhs instead of gimple_assign_lhs. gcc/testsuite/ PR tree-optimization/49809 * gnat.dg/opt18.adb, gnat.dg/opt18.ads, gnat.dg/opt18_pkg.ads: New test. Added: trunk/gcc/testsuite/gnat.dg/opt18.adb trunk/gcc/testsuite/gnat.dg/opt18.ads trunk/gcc/testsuite/gnat.dg/opt18_pkg.ads Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-ssa-phiopt.c ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/49809] [4.7 regression] gimple_check failure at -O3 2011-07-21 20:24 [Bug tree-optimization/49809] New: [4.7 regression] gimple_check failure at -O3 ebotcazou at gcc dot gnu.org ` (2 preceding siblings ...) 2011-07-25 14:52 ` rsandifo at gcc dot gnu.org @ 2011-07-25 14:56 ` rsandifo at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: rsandifo at gcc dot gnu.org @ 2011-07-25 14:56 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49809 rsandifo@gcc.gnu.org <rsandifo at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution| |FIXED --- Comment #2 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> 2011-07-25 14:55:54 UTC --- Fixed in trunk. ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2011-07-25 14:56 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2011-07-21 20:24 [Bug tree-optimization/49809] New: [4.7 regression] gimple_check failure at -O3 ebotcazou at gcc dot gnu.org 2011-07-22 10:51 ` [Bug tree-optimization/49809] " rguenth at gcc dot gnu.org 2011-07-25 9:44 ` rsandifo at gcc dot gnu.org 2011-07-25 14:52 ` rsandifo at gcc dot gnu.org 2011-07-25 14:56 ` rsandifo at gcc dot gnu.org
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