[Bug tree-optimization/88259] vectorization failure for a typical loop for getting max value and index

2019-04-10 Thread rguenther at suse dot de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88259 --- Comment #6 from rguenther at suse dot de --- On Tue, 9 Apr 2019, tnfchris at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88259 > > Tamar Christina changed: > >What|Removed |Add

[Bug c++/90005] No error produced for the wrong type of string used in gcc >= 5.0

2019-04-10 Thread pawel.wrobel at nielsen dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90005 --- Comment #9 from Pawel --- Hello Eric, Thank You so much for this answer - in our case that turned out also to be really useful. We took the "-Werror=conditionally-supported" version - to trigger an error in our custom variadic function - as

[Bug tree-optimization/86504] vectorization failure for a nest loop

2019-04-10 Thread rsandifo at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86504 rsandifo at gcc dot gnu.org changed: What|Removed |Added Status|ASSIGNED|NEW Assignee|rsa

[Bug bootstrap/89864] [9 regression] gcc fails to build/bootstrap with XCode 10.2

2019-04-10 Thread iains at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89864 --- Comment #55 from Iain Sandoe --- (In reply to Jürgen Reuter from comment #54) > Ok, after running genfixes there are still only two modified files in the > whole tree of code, namely fixincludes/inclhack.def and > fixincludes/fixincl.x. > Is

[Bug preprocessor/90034] gcc hangs on wait4 after vfork after opening tmp file

2019-04-10 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90034 Richard Biener changed: What|Removed |Added Keywords||diagnostic Status|UNCONFIRM

[Bug bootstrap/89864] [9 regression] gcc fails to build/bootstrap with XCode 10.2

2019-04-10 Thread juergen.reuter at desy dot de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89864 --- Comment #54 from Jürgen Reuter --- Ok, after running genfixes there are still only two modified files in the whole tree of code, namely fixincludes/inclhack.def and fixincludes/fixincl.x. Is that as intended?

[Bug rtl-optimization/90026] [8/9 Regression] ICE: verify_flow_info failed (error: missing barrier after block 2)

2019-04-10 Thread marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90026 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug target/89794] combine incorrectly forwards register value through auto-inc operation

2019-04-10 Thread segher at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89794 Segher Boessenkool changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassig

[Bug c++/90010] [8 Regression] valgrind error with snprintf and -Wall

2019-04-10 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90010 Jakub Jelinek changed: What|Removed |Added Summary|[8/9 Regression] valgrind |[8 Regression] valgrind

[Bug middle-end/90025] [9 Regression] botan2 miscompilation on s390x-linux since r268957

2019-04-10 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90025 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug tree-optimization/90006] [7/8 Regression] gcc loops indefinitely around vect_get_constant_vectors on -O2 -ftree-slp-vectorize -fno-math-errno

2019-04-10 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90006 Richard Biener changed: What|Removed |Added Known to work||9.0 Summary|[7/8/9 Regressio

[Bug rtl-optimization/90026] [8/9 Regression] ICE: verify_flow_info failed (error: missing barrier after block 2)

2019-04-10 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90026 Richard Biener changed: What|Removed |Added Keywords||ice-on-valid-code, |

[Bug middle-end/90025] [9 Regression] botan2 miscompilation on s390x-linux since r268957

2019-04-10 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90025 --- Comment #2 from Jakub Jelinek --- Author: jakub Date: Wed Apr 10 07:28:05 2019 New Revision: 270247 URL: https://gcc.gnu.org/viewcvs?rev=270247&root=gcc&view=rev Log: PR middle-end/90025 * expr.c (store_expr): Set properly si

[Bug c++/90010] [8/9 Regression] valgrind error with snprintf and -Wall

2019-04-10 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90010 --- Comment #5 from Jakub Jelinek --- Author: jakub Date: Wed Apr 10 07:27:20 2019 New Revision: 270246 URL: https://gcc.gnu.org/viewcvs?rev=270246&root=gcc&view=rev Log: PR c++/90010 * gimple-ssa-sprintf.c (target_to_host): Fix

[Bug c/90027] misalign variable access by piece load/store even when define STRICT_ALIGNMENT nonzero

2019-04-10 Thread ebotcazou at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90027 --- Comment #4 from Eric Botcazou --- > No, and AFAIK the testcase has always worked on strict-alignment platforms. To be more explicit: typedef struct { short a; long b; short c; short d; } __attribute__ ((packed)) S; S s; S *p = &s;

[Bug tree-optimization/90018] [8 Regression] r265453 miscompiled 527.cam4_r in SPEC CPU 2017

2019-04-10 Thread marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90018 --- Comment #13 from Martin Liška --- Can be reproduced also on e.g. a Haswell machine: -Ofast -march=haswell -g -funroll-loops

[Bug c/90027] misalign variable access by piece load/store even when define STRICT_ALIGNMENT nonzero

2019-04-10 Thread ebotcazou at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90027 --- Comment #3 from Eric Botcazou --- > for deja testcase: gcc.c-torture/execute/20010518-2.c > as the struct a_struct define with __attribute__ ((packed)), so the member > variable b also not aligned with 4 bytes, is this case undefined behavio

[Bug tree-optimization/90018] [8 Regression] r265453 miscompiled 527.cam4_r in SPEC CPU 2017

2019-04-10 Thread marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90018 --- Comment #12 from Martin Liška --- Theoretically similar to PR87214, but the patch was backported and this issues is present in 8.3.1.

[Bug bootstrap/89864] [9 regression] gcc fails to build/bootstrap with XCode 10.2

2019-04-10 Thread juergen.reuter at desy dot de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89864 --- Comment #53 from Jürgen Reuter --- (In reply to Erik Schnetter from comment #46) > The patch does not include the generated files. You need to run "genfixes" > in the "fixincludes" directory after applying the patch. This I don't understand:

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