[Bug tree-optimization/82389] New: ICE on valid code on x86_64-linux-gnu: Segmentation fault

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82389 Bug ID: 82389 Summary: ICE on valid code on x86_64-linux-gnu: Segmentation fault Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priori

[Bug tree-optimization/82355] [8 Regression] ICE in outermost_loop_in_sese, at sese.c:301

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82355 --- Comment #3 from Richard Biener --- Author: rguenth Date: Mon Oct 2 07:32:52 2017 New Revision: 253336 URL: https://gcc.gnu.org/viewcvs?rev=253336&root=gcc&view=rev Log: 2017-10-02 Richard Biener PR tree-optimization/82355

[Bug tree-optimization/82355] [8 Regression] ICE in outermost_loop_in_sese, at sese.c:301

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82355 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug ada/82384] [8 Regression] s-taprop.adb failed to compile for x32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82384 Pierre-Marie de Rodat changed: What|Removed |Added CC||derodat at adacore dot com --- C

[Bug testsuite/82390] New: gcc.dg/torture tests run with same optimization level

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82390 Bug ID: 82390 Summary: gcc.dg/torture tests run with same optimization level Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Componen

[Bug ada/82384] [8 Regression] s-taprop.adb failed to compile for x32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82384 Eric Botcazou changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug middle-end/82365] stack locations are consolidated if noreturn function is on the path

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82365 --- Comment #3 from Arnd Bergmann --- I tried replacing the call to a noreturn function with a __builtin_unreachable() statement, same result. However, adding an empty assembler statement before the noreturn statement or the __builtin_unreachabl

[Bug ada/82384] [8 Regression] s-taprop.adb failed to compile for x32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82384 --- Comment #3 from Eric Botcazou --- > Thank you for reporting this. Could you please check that the attached > untested patch fixes the issue you are reporting? (or tell me how to > reproduce on my x86_64-linux box :-)) Thank you in advance! I

[Bug c++/82360] [8 Regression] tree check fail in get_inner_reference, at expr.c:6996

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82360 Richard Biener changed: What|Removed |Added Keywords||ice-on-valid-code Status|UN

[Bug fortran/82362] [8 Regression] SPEC CPU2006 436.cactusADM ~7% performance deviation with trunk@251713

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82362 Richard Biener changed: What|Removed |Added Target||x86_64-*-*, i?86-*-* Status

[Bug tree-optimization/71307] Poor code quality with lane extraction arm_neon.h intrinsics on aarch64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71307 --- Comment #7 from rsandifo at gcc dot gnu.org --- Author: rsandifo Date: Mon Oct 2 08:11:07 2017 New Revision: 253337 URL: https://gcc.gnu.org/viewcvs?rev=253337&root=gcc&view=rev Log: [AArch64] PR71307: Define union class of POINTER+FP ALL

[Bug tree-optimization/82363] [8 Regression] wrong code at -O1, -O2 and -O3 on x86_64-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82363 Richard Biener changed: What|Removed |Added Keywords||wrong-code Version|unknown

[Bug tree-optimization/71307] Poor code quality with lane extraction arm_neon.h intrinsics on aarch64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71307 rsandifo at gcc dot gnu.org changed: What|Removed |Added Status|NEW |RESOLVED Resolutio

[Bug middle-end/82364] [7 Regression] Enormous memory usage when building on 32bit i386 with >= -O1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82364 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |WAITING Last reconfirmed|

[Bug libgomp/82391] New: [openacc] acc_on_device not folded at -O0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82391 Bug ID: 82391 Summary: [openacc] acc_on_device not folded at -O0 Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libgomp

[Bug other/82368] [8 regression] with r253275 several new test cases in libbacktrace fail

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82368 Richard Biener changed: What|Removed |Added Target Milestone|--- |8.0

[Bug rtl-optimization/82387] [8 Regression] wrong code at -O1 and -Os on x86_64-linux-gnu in 64-bit mode

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82387 Martin Liška changed: What|Removed |Added Keywords||wrong-code Status|UNCONFIRMED

[Bug tree-optimization/82389] [8 Regression] ICE on valid code on x86_64-linux-gnu: Segmentation fault

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82389 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |NEW Keywords|

[Bug libgomp/82391] [openacc] acc_on_device not folded at -O0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82391 --- Comment #1 from Tom de Vries --- Created attachment 42274 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42274&action=edit Tentative patch Not tested yet on accelerator build & test setup.

[Bug rtl-optimization/82388] [8 Regression] wrong code at -O1 and above on x86_64-linux-gnu in 32-bit mode

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82388 Martin Liška changed: What|Removed |Added Keywords||wrong-code Status|UNCONFIRMED

[Bug tree-optimization/82389] [8 Regression] ICE on valid code on x86_64-linux-gnu: Segmentation fault

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82389 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org Assig

[Bug sanitizer/82379] [7/8 Regression] internal_sigreturn not defined in libasan.so or libubsan.so with -mx32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82379 Richard Biener changed: What|Removed |Added Target||x86_64-*-* Target Milestone|---

[Bug tree-optimization/82377] [8 Regression] wrong code at -O1 and above on x86_64-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82377 Richard Biener changed: What|Removed |Added Keywords||wrong-code Version|unknown

[Bug target/82385] ICE in extract_constraint_insn, at recog.c:2213

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82385 Martin Liška changed: What|Removed |Added Keywords||ice-on-valid-code Status|UNCO

[Bug tree-optimization/82374] #pragma GCC optimize is not applied to openmp-generated functions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82374 Richard Biener changed: What|Removed |Added Keywords||wrong-code CC|

[Bug c++/82382] ICE for template auto parameter specialized for function pointer with variadic arguments

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82382 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug tree-optimization/82369] "optimizes" indexed addressing back into two pointer increments

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82369 Richard Biener changed: What|Removed |Added CC||amker at gcc dot gnu.org Compo

[Bug other/82327] [7 Regression] ICE in equal_mem_array_ref_p, at tree-ssa-scopedtables.c:429 (i686-linux-gnu)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82327 --- Comment #6 from Richard Biener --- So can you provide -v output then?

[Bug fortran/82392] New: Allign arrays for faster execution

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82392 Bug ID: 82392 Summary: Allign arrays for faster execution Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: enhancement Priority: P3 Component: fortran

[Bug fortran/82362] [8 Regression] SPEC CPU2006 436.cactusADM ~7% performance deviation with trunk@251713

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82362 --- Comment #3 from Thomas Koenig --- The Fortran part is now PR82392.

[Bug tree-optimization/82381] internal compiler error: qsort checking failed

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82381 Martin Liška changed: What|Removed |Added Keywords||ice-on-valid-code Status|UNCO

[Bug fortran/25829] [F03] Asynchronous IO support

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=25829 --- Comment #26 from Janne Blomqvist --- I though I wrote somewhere why I gave up on this, after thinking a lot about the problem in general. However, I can't find my writeup now, so I'll add a short version here so that others who are interested

[Bug ada/82384] [8 Regression] s-taprop.adb failed to compile for x32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82384 --- Comment #4 from H.J. Lu --- (In reply to Pierre-Marie de Rodat from comment #1) > Created attachment 42273 [details] > Tentative untested fix > > Hello, > > Thank you for reporting this. Could you please check that the attached I am testin

[Bug fortran/82250] Fortran OpenACC acc_on_device early folding

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82250 Tom de Vries changed: What|Removed |Added CC||vries at gcc dot gnu.org --- Comment #1 f

[Bug tree-optimization/82389] [8 Regression] ICE on valid code on x86_64-linux-gnu: Segmentation fault

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82389 --- Comment #3 from Jakub Jelinek --- So the fix is very easy: --- gcc/tree-ssa-dse.c.jj 2017-09-29 23:05:40.0 +0200 +++ gcc/tree-ssa-dse.c 2017-10-02 10:40:21.962488571 +0200 @@ -577,10 +577,10 @@ dse_classify_store (ao_ref *ref,

[Bug tree-optimization/82363] [8 Regression] wrong code at -O1, -O2 and -O3 on x86_64-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82363 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug rtl-optimization/82387] [8 Regression] wrong code at -O1 and -Os on x86_64-linux-gnu in 64-bit mode

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82387 --- Comment #2 from Martin Liška --- *** Bug 82377 has been marked as a duplicate of this bug. ***

[Bug tree-optimization/82377] [8 Regression] wrong code at -O1 and above on x86_64-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82377 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug tree-optimization/82381] [8 Regression] internal compiler error: qsort checking failed

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82381 Richard Biener changed: What|Removed |Added Keywords|ice-on-valid-code |ice-checking Last reconfirmed|2017-10

[Bug c++/82382] [7/8 Regression] ICE for template auto parameter specialized for function pointer with variadic arguments

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82382 Richard Biener changed: What|Removed |Added Keywords||ice-on-valid-code Priority|P3

[Bug target/82386] [8 Regression] internal compiler error: Segmentation fault on 32-bit powerpc BE targets

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82386 Richard Biener changed: What|Removed |Added Target Milestone|--- |8.0

[Bug target/82358] [8 regression] i386/stack-check-11.c fail

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82358 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug testsuite/82390] gcc.dg/torture tests run with same optimization level

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82390 --- Comment #1 from Richard Biener --- dg-torture testcases should use dg-additional-options and never specify the optimization level. Either changing them to do that or moving out-of torture seems like a good fix.

[Bug tree-optimization/71751] [8 Regression] Segmentation fault in ssa_default_def

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71751 Martin Liška changed: What|Removed |Added CC||rguenth at gcc dot gnu.org Known to

[Bug tree-optimization/71751] [8 Regression] Segmentation fault in ssa_default_def

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71751 Richard Biener changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug tree-optimization/81373] [7 Regression] Graphite ICE in ssa_default_def at gcc/tree-dfa.c:305

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81373 Richard Biener changed: What|Removed |Added CC||ktkachov at gcc dot gnu.org --- Comment

[Bug c++/59991] Recursive lambda capture in C++1y constexpr function template causes internal compiler error

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59991 --- Comment #3 from paolo at gcc dot gnu.org --- Author: paolo Date: Mon Oct 2 09:03:32 2017 New Revision: 253339 URL: https://gcc.gnu.org/viewcvs?rev=253339&root=gcc&view=rev Log: 2017-10-02 Paolo Carlini PR c++/59991 * g++

[Bug lto/82302] LTO producing bad code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82302 --- Comment #14 from Martin Liška --- (In reply to krzysio.kurek from comment #12) > UBSAN errors regarding integer overflow is by design, and is a part of > libnoise. > I can't find any documentation or help on what invalid vptr errors are > tho

[Bug c++/54367] [meta-bug] lambda expressions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54367 Bug 54367 depends on bug 59991, which changed state. Bug 59991 Summary: Recursive lambda capture in C++1y constexpr function template causes internal compiler error https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59991 What|Removed

[Bug c++/59991] Recursive lambda capture in C++1y constexpr function template causes internal compiler error

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59991 Paolo Carlini changed: What|Removed |Added Status|NEW |RESOLVED Blocks|

[Bug c++/61088] segfault with array of lambdas initialized with initializer list that contains a lambda that captures the array

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61088 Paolo Carlini changed: What|Removed |Added CC||pkeir at outlook dot com --- Comment #7

[Bug target/82175] [8 Regression] -march=native fails on armv7 big/little system armv7l-unknown-linux-gnueabihf with gcc 8.0.0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82175 --- Comment #7 from Richard Earnshaw --- (In reply to Andrew Roberts from comment #6) > Thanks Richard, this is now ok, tested on armv7 and aarch64. > > However I do see differences in what is selected by march=native on arm > between 7.2.0 and

[Bug lto/82302] LTO producing bad code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82302 --- Comment #15 from Martin Liška --- I can still see the hang with https://pastebin.com/rL4yHUC2

[Bug fortran/82362] [8 Regression] SPEC CPU2006 436.cactusADM ~7% performance deviation with trunk@251713

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82362 --- Comment #4 from Alexander Nesterovskiy --- (In reply to Richard Biener from comment #2) > I suppose you swapped the revs here Yep, sorry. It's supposed to be: r251711: 99,5% 99,6% 99,8% 100,0% 100,3% 100,6% 100,6% r251713: 92,8% 92

[Bug lto/82302] LTO producing bad code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82302 Martin Liška changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/67274] Inconsistent `this->` required when calling member function in a lambda capturing `this` through another function

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67274 Paolo Carlini changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c++/67247] ICE on std::forward args&& inside nested lambda function

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67247 Paolo Carlini changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug c++/67247] ICE on std::forward args&& inside nested lambda function

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67247 Paolo Carlini changed: What|Removed |Added Blocks||54367 --- Comment #6 from Paolo Carlini

[Bug c++/23383] builtin array operator new is not marked with malloc attribute

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=23383 --- Comment #26 from Antony Polukhin --- > That said, it would be fine to add support for this > under a non-standards-mode option of some sort of course. C++14 allows to merge and remove global allocations [expr.new]: "An implementation is all

[Bug c++/69977] internal compiler error: Segmentation fault when using generic lambdas

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69977 --- Comment #3 from paolo at gcc dot gnu.org --- Author: paolo Date: Mon Oct 2 09:41:36 2017 New Revision: 253340 URL: https://gcc.gnu.org/viewcvs?rev=253340&root=gcc&view=rev Log: 2017-10-02 Paolo Carlini PR c++/69977 * g++

[Bug c++/69977] internal compiler error: Segmentation fault when using generic lambdas

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69977 Paolo Carlini changed: What|Removed |Added Status|NEW |RESOLVED Blocks|

[Bug c++/54367] [meta-bug] lambda expressions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54367 Bug 54367 depends on bug 69977, which changed state. Bug 69977 Summary: internal compiler error: Segmentation fault when using generic lambdas https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69977 What|Removed |Ad

[Bug fortran/25829] [F03] Asynchronous IO support

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=25829 --- Comment #27 from Nicolas Koenig --- (In reply to Janne Blomqvist from comment #26) > I though I wrote somewhere why I gave up on this, after thinking a lot about > the problem in general. However, I can't find my writeup now, so I'll add a >

[Bug c++/60228] ICE using lambda in #pragma omp declare reduction

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60228 --- Comment #2 from Paolo Carlini --- Would it make sense to reject the testcase a little more gracefully? Or even accept is as an extension?

[Bug target/82175] [8 Regression] -march=native fails on armv7 big/little system armv7l-unknown-linux-gnueabihf with gcc 8.0.0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82175 --- Comment #8 from Andrew Roberts --- I generated it using: /usr/local/gcc-7.2.0/bin/gcc -march=native -Q --help=target and /usr/local/gcc-8.0.0/bin/gcc -march=native -Q --help=target on each of the systems. Using: /usr/local/gcc-8.0.0/bin/gcc

[Bug target/82175] [8 Regression] -march=native fails on armv7 big/little system armv7l-unknown-linux-gnueabihf with gcc 8.0.0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82175 --- Comment #9 from Andrew Roberts --- Created attachment 42275 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42275&action=edit Output of gcc -march=native -Q --help=target for gcc 8.0.0.20171001 Output of gcc -march=native -Q --help=targ

[Bug target/82175] [8 Regression] -march=native fails on armv7 big/little system armv7l-unknown-linux-gnueabihf with gcc 8.0.0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82175 --- Comment #10 from Andrew Roberts --- Created attachment 42276 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42276&action=edit Output of gcc -march=native -Q --help=target for gcc 7.2.0 Output of gcc -march=native -Q --help=target for g

[Bug ada/82384] [8 Regression] s-taprop.adb failed to compile for x32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82384 --- Comment #5 from H.J. Lu --- (In reply to H.J. Lu from comment #4) > (In reply to Pierre-Marie de Rodat from comment #1) > > Created attachment 42273 [details] > > Tentative untested fix > > > > Hello, > > > > Thank you for reporting this. C

[Bug ada/82384] [8 Regression] s-taprop.adb failed to compile for x32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82384 --- Comment #6 from H.J. Lu --- (In reply to Eric Botcazou from comment #3) > > Thank you for reporting this. Could you please check that the attached > > untested patch fixes the issue you are reporting? (or tell me how to > > reproduce on my x8

[Bug tree-optimization/82389] [8 Regression] ICE on valid code on x86_64-linux-gnu: Segmentation fault

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82389 --- Comment #4 from Jakub Jelinek --- normalize_ref should handle that case, unless there is UB in the compiler when computing ref->offset + ref->size (or use_ref->offset + use_ref->size).

[Bug fortran/80666] character length parameter fails if declaration order incorrect

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80666 --- Comment #8 from Jos de Kloe --- Yes I would object to closing it. This issue has a large impact on significant bodies of legacy code in our institute. I understand that you wish to enforce "standards", but removing a "Non-standard extension"

[Bug ada/82384] [8 Regression] s-taprop.adb failed to compile for x32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82384 --- Comment #7 from Pierre-Marie de Rodat --- I think your second test will also fail for the same reason. I suggest you also add the following patchlet: diff --git a/gcc/ada/libgnarl/s-osinte__x32.adb b/gcc/ada/libgnarl/s-osinte__x32.adb index

[Bug ada/82384] [8 Regression] s-taprop.adb failed to compile for x32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82384 H.J. Lu changed: What|Removed |Added Attachment #42273|0 |1 is obsolete|

[Bug ada/82393] New: Compilation error on cygwin64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82393 Bug ID: 82393 Summary: Compilation error on cygwin64 Product: gcc Version: 7.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: ada Assig

[Bug tree-optimization/82387] [8 Regression] wrong code at -O1 and -Os on x86_64-linux-gnu in 64-bit mode

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82387 --- Comment #3 from Jakub Jelinek --- Created attachment 42278 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42278&action=edit gcc8-pr82387.patch Untested fix.

[Bug c++/82394] New: Pointer imposes an optimization barrier

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82394 Bug ID: 82394 Summary: Pointer imposes an optimization barrier Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug testsuite/82390] gcc.dg/torture tests run with same optimization level

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82390 --- Comment #2 from Tom de Vries --- Created attachment 42279 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42279&action=edit Patch disallowing dg-options for dg-torture.exp (In reply to Richard Biener from comment #1) > dg-torture testca

[Bug ada/82393] Compilation error on cygwin64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82393 --- Comment #1 from Didier G --- Created attachment 42280 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42280&action=edit compressed preprocessed sysdep.c (if useful)

[Bug c++/82394] Pointer imposes an optimization barrier

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82394 --- Comment #1 from Marc Glisse --- What compiler flags? At -O3 we do optimize both the same.

[Bug tree-optimization/82388] [8 Regression] wrong code at -O1 and above on x86_64-linux-gnu in 32-bit mode

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82388 --- Comment #3 from Jakub Jelinek --- Created attachment 42281 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42281&action=edit gcc8-pr82387.patch Untested fix.

[Bug tree-optimization/82389] [8 Regression] ICE on valid code on x86_64-linux-gnu: Segmentation fault

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82389 --- Comment #5 from Jakub Jelinek --- Created attachment 42282 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42282&action=edit gcc8-pr82387.patch Untested fix.

[Bug tree-optimization/82389] [8 Regression] ICE on valid code on x86_64-linux-gnu: Segmentation fault

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82389 --- Comment #6 from Jakub Jelinek --- Created attachment 42283 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42283&action=edit gcc8-pr82389-2.patch Untested patch to avoid UB in ref->offset + ref->size computations.

[Bug target/41076] [avr] pessimal code for logical OR of 8-bit fields

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=41076 --- Comment #10 from Georg-Johann Lay --- Author: gjl Date: Mon Oct 2 11:31:03 2017 New Revision: 253343 URL: https://gcc.gnu.org/viewcvs?rev=253343&root=gcc&view=rev Log: PR target/41076 * confg/avr/avr.md (*iorhi3.ashift8-ext.

[Bug lto/81351] [8 regression] Many LTO testcases FAIL

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81351 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug rtl-optimization/82395] [8 Regression] qsort comparator non-negative on sorted output: 1 in color_allocnos

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82395 Martin Liška changed: What|Removed |Added CC||vmakarov at gcc dot gnu.org Target Mile

[Bug rtl-optimization/82395] New: [8 Regression] qsort comparator non-negative on sorted output: 1 in color_allocnos

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82395 Bug ID: 82395 Summary: [8 Regression] qsort comparator non-negative on sorted output: 1 in color_allocnos Product: gcc Version: unknown Status: UNCONFIRMED Keyw

[Bug rtl-optimization/82396] New: qsort comparator non-negative on sorted output: 4 in ready_sort_real in haifa scheduler

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82396 Bug ID: 82396 Summary: qsort comparator non-negative on sorted output: 4 in ready_sort_real in haifa scheduler Product: gcc Version: unknown Status: UNCONFIRMED

[Bug tree-optimization/82397] New: qsort comparator non-negative on sorted output: 1 in vect_analyze_data_ref_accesses

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82397 Bug ID: 82397 Summary: qsort comparator non-negative on sorted output: 1 in vect_analyze_data_ref_accesses Product: gcc Version: unknown Status: UNCONFIRMED Key

[Bug target/82398] New: error: qsort comparator non-negative on sorted output: 2 in fill_vec_av_set at gcc/sel-sched.c:3725

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82398 Bug ID: 82398 Summary: error: qsort comparator non-negative on sorted output: 2 in fill_vec_av_set at gcc/sel-sched.c:3725 Product: gcc Version: unknown Status: UNCONFIRM

[Bug target/82399] New: [openacc, nvptx] Optimize complex reduction

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82399 Bug ID: 82399 Summary: [openacc, nvptx] Optimize complex reduction Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: tar

[Bug target/82399] [openacc, nvptx] Optimize complex reduction

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82399 Tom de Vries changed: What|Removed |Added Keywords||openacc CC|

[Bug other/67165] please enable libbacktrace to work with compressed debug sections

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67165 --- Comment #5 from Thomas Schwinge --- Author: tschwinge Date: Mon Oct 2 11:56:25 2017 New Revision: 253344 URL: https://gcc.gnu.org/viewcvs?rev=253344&root=gcc&view=rev Log: libbacktrace: Conditionalize test timing on clock_gettime availabili

[Bug other/67165] please enable libbacktrace to work with compressed debug sections

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67165 --- Comment #6 from Thomas Schwinge --- Author: tschwinge Date: Mon Oct 2 11:56:39 2017 New Revision: 253345 URL: https://gcc.gnu.org/viewcvs?rev=253345&root=gcc&view=rev Log: libbacktrace: Support the case that clock_gettime is in librt

[Bug ada/82393] Compilation error on cygwin64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82393 --- Comment #2 from Didier G --- Not tested but rtinit.c should be checked too.

[Bug target/82400] New: [openacc, nvptx] Use ptx atomic operators for reductions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82400 Bug ID: 82400 Summary: [openacc, nvptx] Use ptx atomic operators for reductions Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: enhancement Pr

[Bug target/82400] [openacc, nvptx] Use ptx atomic operators for reductions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82400 --- Comment #1 from Tom de Vries --- (In reply to Tom de Vries from comment #0) > The scheme is the same for all operators, using the compare-and-swap atomic > ptx instruction (atom.cas). > > However, some of the operators are supported natively

[Bug c++/82401] New: error: qsort comparator non-negative on sorted output: 1 in insert_late_enum_def_bindings on an invalid code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82401 Bug ID: 82401 Summary: error: qsort comparator non-negative on sorted output: 1 in insert_late_enum_def_bindings on an invalid code Product: gcc Version: unknown Status:

[Bug rtl-optimization/82398] error: qsort comparator non-negative on sorted output: 2 in fill_vec_av_set at gcc/sel-sched.c:3725

-*-* Host|x86_64-pc-linux-gnu | --- Comment #1 from Andreas Schwab --- This is probably the same bug (on ia64): FAIL: gcc.c-torture/execute/pr57861.c -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (test for excess errors) /usr/local/gcc/gcc-20171002/gcc

[Bug tree-optimization/82402] New: [5/6/7/8 Regression] error: SSA_NAME_OCCURS_IN_ABNORMAL_PHI should be set

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82402 Bug ID: 82402 Summary: [5/6/7/8 Regression] error: SSA_NAME_OCCURS_IN_ABNORMAL_PHI should be set Product: gcc Version: unknown URL: https://raw.githubusercontent.com/b

[Bug target/82403] New: [openacc, nvptx] Optimize binary shuffle tree

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82403 Bug ID: 82403 Summary: [openacc, nvptx] Optimize binary shuffle tree Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: enhancement Priority: P3 Component:

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