[Bug tree-optimization/81354] [5/6 Regression] Segmentation fault in SSA Strength Reduction using -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81354 --- Comment #16 from Aldy Hernandez --- Author: aldyh Date: Wed Sep 13 16:40:27 2017 New Revision: 252345 URL: https://gcc.gnu.org/viewcvs?rev=252345=gcc=rev Log: [gcc] 2017-08-08 Bill Schmidt PR

[Bug tree-optimization/81354] [5/6 Regression] Segmentation fault in SSA Strength Reduction using -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81354 Bill Schmidt changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug tree-optimization/81354] [5/6 Regression] Segmentation fault in SSA Strength Reduction using -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81354 --- Comment #14 from Bill Schmidt --- Author: wschmidt Date: Wed Aug 16 14:13:27 2017 New Revision: 251122 URL: https://gcc.gnu.org/viewcvs?rev=251122=gcc=rev Log: [gcc] 2017-08-16 Bill Schmidt Backport

[Bug tree-optimization/81354] [5/6 Regression] Segmentation fault in SSA Strength Reduction using -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81354 --- Comment #13 from Bill Schmidt --- Author: wschmidt Date: Wed Aug 16 14:11:26 2017 New Revision: 251121 URL: https://gcc.gnu.org/viewcvs?rev=251121=gcc=rev Log: [gcc] 2017-08-16 Bill Schmidt Backport

[Bug tree-optimization/81354] [5/6 Regression] Segmentation fault in SSA Strength Reduction using -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81354 --- Comment #12 from Bill Schmidt --- Author: wschmidt Date: Wed Aug 16 14:09:15 2017 New Revision: 251120 URL: https://gcc.gnu.org/viewcvs?rev=251120=gcc=rev Log: [gcc] 2017-08-16 Bill Schmidt Backport

[Bug tree-optimization/81354] [5/6 Regression] Segmentation fault in SSA Strength Reduction using -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81354 Martin Jambor changed: What|Removed |Added CC||jamborm at gcc dot gnu.org --- Comment

[Bug tree-optimization/81354] [5/6 Regression] Segmentation fault in SSA Strength Reduction using -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81354 --- Comment #11 from Bill Schmidt --- Fixed on trunk so far, and verified that a modified backport fixes the limited range on 5.4 where the provided test case fails. Backports to follow in about a week after burn-in.

[Bug tree-optimization/81354] [5/6 Regression] Segmentation fault in SSA Strength Reduction using -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81354 --- Comment #10 from Bill Schmidt --- Author: wschmidt Date: Tue Aug 8 12:52:22 2017 New Revision: 250955 URL: https://gcc.gnu.org/viewcvs?rev=250955=gcc=rev Log: [gcc] 2017-08-08 Bill Schmidt PR

[Bug tree-optimization/81354] [5/6 Regression] Segmentation fault in SSA Strength Reduction using -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81354 --- Comment #9 from Bill Schmidt --- OK, I've now confirmed this is the problem. I have a rough patch for trunk, and backporting it to GCC 5 r236439 verifies that this fixes it. Still verifying bootstrap/regression on trunk, and need to do

[Bug tree-optimization/81354] [5/6 Regression] Segmentation fault in SSA Strength Reduction using -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81354 --- Comment #8 from Bill Schmidt --- This is likely the same as another problem that recently came up (not yet filed as the source is sensitive). SLSR is sensitive to addresses of PHI instructions remaining the same throughout the pass, but

[Bug tree-optimization/81354] [5/6 Regression] Segmentation fault in SSA Strength Reduction using -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81354 Bill Schmidt changed: What|Removed |Added Target|x86_64-pc-linux-gnu |x86_64-pc-linux-gnu, |

[Bug tree-optimization/81354] [5/6 Regression] Segmentation fault in SSA Strength Reduction using -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81354 --- Comment #6 from Bill Schmidt --- Hm, the symptom looks very much like another issue I've been looking at on trunk. There may be an issue with the statement->candidate mapping hash table that's responsible for both. It appears to be a

[Bug tree-optimization/81354] [5/6 Regression] Segmentation fault in SSA Strength Reduction using -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81354 --- Comment #5 from Bill Schmidt --- Doesn't reproduce for powerpc64le. I'll have to build a cross.

[Bug tree-optimization/81354] [5/6 Regression] Segmentation fault in SSA Strength Reduction using -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81354 Bill Schmidt changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |wschmidt at gcc dot gnu.org ---

[Bug tree-optimization/81354] [5/6 Regression] Segmentation fault in SSA Strength Reduction using -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81354 Richard Biener changed: What|Removed |Added Priority|P3 |P2 CC|

[Bug tree-optimization/81354] [5/6 Regression] Segmentation fault in SSA Strength Reduction using -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81354 --- Comment #2 from rguenther at suse dot de --- On Tue, 11 Jul 2017, marxin at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81354 > > Martin Liška changed: > >What|Removed |Added

[Bug tree-optimization/81354] [5/6 Regression] Segmentation fault in SSA Strength Reduction using -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81354 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|