[Bug tree-optimization/86552] missing warning for reading past the end of non-string arrays

2018-07-17 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86552 Martin Sebor changed: What|Removed |Added Keywords||diagnostic Status|UNCONFIRMED

[Bug c++/86556] New: , most vexing parse, and diagnostic output

2018-07-17 Thread nightstrike at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86556 Bug ID: 86556 Summary: , most vexing parse, and diagnostic output Product: gcc Version: 8.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug c++/86557] New: missed vectorization with std::vector compared to icc 18

2018-07-17 Thread nightstrike at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86557 Bug ID: 86557 Summary: missed vectorization with std::vector compared to icc 18 Product: gcc Version: 8.1.0 Status: UNCONFIRMED Severity: normal Prior

[Bug tree-optimization/86010] [7/8/9 Regression] redundant memset with smaller size not eliminated

2018-07-17 Thread law at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86010 --- Comment #6 from Jeffrey A. Law --- Author: law Date: Tue Jul 17 23:54:10 2018 New Revision: 262841 URL: https://gcc.gnu.org/viewcvs?rev=262841&root=gcc&view=rev Log: PR tree-optimization/86010 * tree-ssa-dse.c (compute_trims)

[Bug go/86535] FreeBSD/PowerPC64 - Building Go Frontend support for gcc 7.3.0 fails

2018-07-17 Thread ian at airs dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86535 --- Comment #7 from Ian Lance Taylor --- Thanks. There seems to be something with -fgo-dump-spec on your system, such that it fails if an incomplete typedef is seen before a complete typedef. I'm not sure why that would be. I haven't been able

[Bug libstdc++/86553] libstdc++-v3 build failure on AIX 5.3

2018-07-17 Thread bugzilla-gcc at thewrittenword dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86553 --- Comment #1 from The Written Word --- I get a similar failure on AIX 5.2 with gcc-7.2.0 and gcc-8.1.0.

[Bug c++/86558] New: ICE on template code

2018-07-17 Thread zhonghao at pku dot org.cn
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86558 Bug ID: 86558 Summary: ICE on template code Product: gcc Version: 9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassi

[Bug tree-optimization/86544] Popcount detection generates different code on C and C++

2018-07-17 Thread kugan at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86544 --- Comment #2 from kugan at gcc dot gnu.org --- Patch posted at https://gcc.gnu.org/ml/gcc-patches/2018-07/msg00975.html

[Bug c/86559] New: Build failure on AIX 5.3

2018-07-17 Thread bugzilla-gcc at thewrittenword dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86559 Bug ID: 86559 Summary: Build failure on AIX 5.3 Product: gcc Version: 7.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: un

[Bug tree-optimization/86532] [9 Regression] Wrong code due to a wrong strlen folding starting with r262522

2018-07-17 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86532 --- Comment #21 from Martin Sebor --- Thanks for testing the patch! I've tweaked it to avoid the ICE. I'm not sure what masked the ICE in my testing but mixing signed and unsigned types in the same expression without conversion was the cause.

[Bug c/86559] Build failure on AIX 5.3

2018-07-17 Thread bugzilla-gcc at thewrittenword dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86559 --- Comment #1 from The Written Word --- Might be a duplicate of PR64081.

[Bug middle-end/86471] GCC/libstdc++ outputs inferior code for std::fill and std::fill_n vs std::memset on c-style arrays

2018-07-17 Thread mattreecebentley at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86471 --- Comment #19 from Matt Bentley --- (In reply to Jonathan Wakely from comment #18) > (In reply to Matt Bentley from comment #13) > > Well it's more that you're doing- at any rate, the issue you've noted is > > easily bypassed by changing the "r

[Bug middle-end/86471] GCC/libstdc++ outputs inferior code for std::fill and std::fill_n vs std::memset on c-style arrays

2018-07-17 Thread mattreecebentley at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86471 --- Comment #20 from Matt Bentley --- (In reply to Matt Bentley from comment #19) > (In reply to Jonathan Wakely from comment #18) > > (In reply to Matt Bentley from comment #13) > > > Well it's more that you're doing- at any rate, the issue you'

[Bug tree-optimization/86532] [9 Regression] Wrong code due to a wrong strlen folding starting with r262522

2018-07-17 Thread bernd.edlinger at hotmail dot de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86532 --- Comment #22 from Bernd Edlinger --- (In reply to Martin Sebor from comment #21) > Thanks for testing the patch! I've tweaked it to avoid the ICE. I'm not > sure what masked the ICE in my testing but mixing signed and unsigned types > in the

[Bug tree-optimization/86532] [9 Regression] Wrong code due to a wrong strlen folding starting with r262522

2018-07-17 Thread bernd.edlinger at hotmail dot de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86532 --- Comment #23 from Bernd Edlinger --- Aehm, and won't this kind of folding make it impossible for asan/ubsan to spot the bug? I mean why not make that dependent on the sanitizer?

[Bug target/86560] New: FAIL: c-c++-common/asan/swapcontext-test-1.c

2018-07-17 Thread hjl.tools at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86560 Bug ID: 86560 Summary: FAIL: c-c++-common/asan/swapcontext-test-1.c Product: gcc Version: 9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target

[Bug target/86560] FAIL: c-c++-common/asan/swapcontext-test-1.c

2018-07-17 Thread hjl.tools at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86560 H.J. Lu changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug bootstrap/81963] ICE in stage 2 compiler while configuring libgcc in stage2, during GIMPLE pass: cfg

2018-07-17 Thread ray_linn at hotmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81963 ray linn changed: What|Removed |Added CC||ray_linn at hotmail dot com --- Comment #1 fr

[Bug tree-optimization/67153] [6/7/8/9 Regression] integer optimizations 53% slower than std::bitset<>

2018-07-17 Thread ncm at cantrip dot org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67153 --- Comment #26 from ncm at cantrip dot org --- Still fails on Skylake (i7-6700HQ) and gcc 8.1.0. The good news is that clang++-7.0.0 code is slow on all four versions.

[Bug c++/86561] New: a function definition must occur in a standalone declaration

2018-07-17 Thread zhonghao at pku dot org.cn
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86561 Bug ID: 86561 Summary: a function definition must occur in a standalone declaration Product: gcc Version: 9.0 Status: UNCONFIRMED Severity: normal Pri

[Bug c++/86562] New: Missing warning (error in C++11) for passing nontrivial object to varargs function via function pointer

2018-07-17 Thread zhonghao at pku dot org.cn
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86562 Bug ID: 86562 Summary: Missing warning (error in C++11) for passing nontrivial object to varargs function via function pointer Product: gcc Version: 9.0

[Bug c++/86563] New: catch reference to incomplete type

2018-07-17 Thread zhonghao at pku dot org.cn
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86563 Bug ID: 86563 Summary: catch reference to incomplete type Product: gcc Version: 9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ As

[Bug c++/86564] New: Declaration containing qualified-id interpreted as function-style cast

2018-07-17 Thread zhonghao at pku dot org.cn
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86564 Bug ID: 86564 Summary: Declaration containing qualified-id interpreted as function-style cast Product: gcc Version: 9.0 Status: UNCONFIRMED Severity: normal

[Bug c++/86565] New: failing to instantiate all of a local class

2018-07-17 Thread zhonghao at pku dot org.cn
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86565 Bug ID: 86565 Summary: failing to instantiate all of a local class Product: gcc Version: 9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug tree-optimization/86557] missed vectorization with std::vector compared to icc 18

2018-07-17 Thread glisse at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86557 Marc Glisse changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug debug/86523] [9 Regression] ICE in gen_member_die, at dwarf2out.c:24933 starting from r262560

2018-07-17 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86523 --- Comment #9 from Richard Biener --- Author: rguenth Date: Wed Jul 18 06:54:23 2018 New Revision: 262849 URL: https://gcc.gnu.org/viewcvs?rev=262849&root=gcc&view=rev Log: 2018-07-18 Richard Biener PR debug/86523 cp/

[Bug debug/86523] [9 Regression] ICE in gen_member_die, at dwarf2out.c:24933 starting from r262560

2018-07-17 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86523 Richard Biener changed: What|Removed |Added Status|REOPENED|RESOLVED Resolution|---

<    1   2