[Bug target/91855] [8/9 Regression] OpenJDK Zero VM segfaults on SPARC

2019-09-22 Thread ebotcazou at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91855 --- Comment #8 from Eric Botcazou --- > But this is the OpenJDK Zero VM crashing when being compiled with gcc-8/9, > apparently because gcc miscompiles it. I don't know which piece of code is > miscompiled, I just see the result and I provided

[Bug c/37591] suppress "signed and unsigned" warnings when signed value known to be positive

2019-09-22 Thread egallager at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=37591 --- Comment #10 from Eric Gallager --- (In reply to Eric Gallager from comment #9) > I think this is related to bug 38470 Possibly a dup thereof? Or vice versa?

[Bug c/88566] -Wconversion not using value range information

2019-09-22 Thread egallager at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88566 --- Comment #4 from Eric Gallager --- (In reply to Andrew Pinski from comment #3) > This is a non flow sensitive warning. There are a bunch were are not; flow > sensitivity would make this warning worse not better in my mind as it means > in

[Bug c/38470] value range propagation (VRP) would improve -Wsign-compare

2019-09-22 Thread egallager at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=38470 --- Comment #17 from Eric Gallager --- I'm wondering if Project Ranger will help this bug at all once it's merged?

[Bug middle-end/91858] [9/10 Regression] Compile time hog w/ complex float trigonometric functions

2019-09-22 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91858 Andrew Pinski changed: What|Removed |Added Component|tree-optimization |middle-end Target Milestone|---

[Bug tree-optimization/91858] New: [9/10 Regression] Compile time hog w/ complex float trigonometric functions

2019-09-22 Thread asolokha at gmx dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91858 Bug ID: 91858 Summary: [9/10 Regression] Compile time hog w/ complex float trigonometric functions Product: gcc Version: 10.0 Status: UNCONFIRMED Keywords:

[Bug c++/91844] Implement CWG 2352, Similar types and reference binding

2019-09-22 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91844 Marek Polacek changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug c++/91857] internal compiler error: in verify_marks_clear, at dwarf2out.c:29123

2019-09-22 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91857 Marek Polacek changed: What|Removed |Added Status|UNCONFIRMED |WAITING Last reconfirmed|

[Bug c++/91844] Implement CWG 2352, Similar types and reference binding

2019-09-22 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91844 --- Comment #2 from Marek Polacek --- And this will become valid (used to fail with call of overloaded ‘f(int*&)’ is ambiguous): template int f (const T *const &); // (1) template int f (T *const &); // (2) template int f (T *); // (3) void g

[Bug target/78762] Regression: Splitting unaligned AVX loads also when AVX2 is enabled

2019-09-22 Thread john at johnkeiser dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78762 John Keiser changed: What|Removed |Added CC||john at johnkeiser dot com --- Comment

[Bug c++/91857] New: internal compiler error: in verify_marks_clear, at dwarf2out.c:29123

2019-09-22 Thread vincent.lextrait at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91857 Bug ID: 91857 Summary: internal compiler error: in verify_marks_clear, at dwarf2out.c:29123 Product: gcc Version: 9.2.0 Status: UNCONFIRMED Severity: normal

[Bug fortran/91726] [7/8/9/10 Regression] ICE in gfc_conv_array_ref, at fortran/trans-array.c:3612

2019-09-22 Thread pault at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91726 Paul Thomas changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |pault at gcc dot gnu.org ---

[Bug target/90835] Incompatibilities with macOS 10.15 headers

2019-09-22 Thread howarth.at.gcc at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90835 --- Comment #10 from Jack Howarth --- FYI, Xcode 11 is now released and being pushed, via App Store updates, to Mojave users. So the gcc bootstrap is now officially broken on Mojave and Catalina.

[Bug lto/83452] FAIL: gfortran.dg/save_6.f90 -O0 (test for excess errors)

2019-09-22 Thread dave.anglin at bell dot net
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83452 --- Comment #16 from dave.anglin at bell dot net --- On 2019-09-21 5:03 p.m., dimitar.yordanov at sap dot com wrote: > after this fix I see.debug_info entries in the .symtab, which seem unneeded to > me(on Linux x86_64). If they are unnecessary

[Bug c++/91819] [10 Regression] ICE when iterating over enum values

2019-09-22 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91819 Marek Polacek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/91819] [10 Regression] ICE when iterating over enum values

2019-09-22 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91819 --- Comment #5 from Marek Polacek --- Author: mpolacek Date: Sun Sep 22 12:35:00 2019 New Revision: 276027 URL: https://gcc.gnu.org/viewcvs?rev=276027=gcc=rev Log: PR c++/91819 - ICE with operator++ and enum. * call.c

[Bug target/91855] [8/9 Regression] OpenJDK Zero VM segfaults on SPARC

2019-09-22 Thread glaubitz at physik dot fu-berlin.de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91855 --- Comment #7 from John Paul Adrian Glaubitz --- (In reply to Eric Botcazou from comment #5) > > Is there anything missing in my instructions? I have provided a step-by-step > > explanation how to reproduce the crash. I'm not skilled enough

[Bug target/91855] [8/9 Regression] OpenJDK Zero VM segfaults on SPARC

2019-09-22 Thread ebotcazou at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91855 --- Comment #6 from Eric Botcazou --- "What we need Please include all of the following items, the first three of which can be obtained from the output of gcc -v: the exact version of GCC; the system type; the options given when

[Bug target/91855] [8/9 Regression] OpenJDK Zero VM segfaults on SPARC

2019-09-22 Thread ebotcazou at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91855 --- Comment #5 from Eric Botcazou --- > Is there anything missing in my instructions? I have provided a step-by-step > explanation how to reproduce the crash. I'm not skilled enough with gcc > unfortunately to be able to provide a reduced piece

[Bug libstdc++/91856] New: std::list::remove(const T& value) is broken with -D_GLIBCXX_DEBUG when value is a reference inside the list

2019-09-22 Thread kp.lehrmann+gcc at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91856 Bug ID: 91856 Summary: std::list::remove(const T& value) is broken with -D_GLIBCXX_DEBUG when value is a reference inside the list Product: gcc Version: 8.3.0

[Bug target/91855] [8/9 Regression] OpenJDK Zero VM segfaults on SPARC

2019-09-22 Thread glaubitz at physik dot fu-berlin.de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91855 --- Comment #4 from John Paul Adrian Glaubitz --- (In reply to Eric Botcazou from comment #3) > We need a reproducer as explained in https://gcc.gnu.org/bugs/ Is there anything missing in my instructions? I have provided a step-by-step

[Bug target/91855] [8/9 Regression] OpenJDK Zero VM segfaults on SPARC

2019-09-22 Thread ebotcazou at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91855 Eric Botcazou changed: What|Removed |Added Status|UNCONFIRMED |WAITING Last reconfirmed|

[Bug target/91855] [8/9 Regression] OpenJDK Zero VM segfaults on SPARC

2019-09-22 Thread glaubitz at physik dot fu-berlin.de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91855 --- Comment #2 from John Paul Adrian Glaubitz --- (In reply to Andreas Schwab from comment #1) > SIGBUS probably means unaligned access. What is the executed code? (gdb) disassemble Dump of assembler code for function

[Bug target/91855] [8/9 Regression] OpenJDK Zero VM segfaults on SPARC

2019-09-22 Thread sch...@linux-m68k.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91855 --- Comment #1 from Andreas Schwab --- SIGBUS probably means unaligned access. What is the executed code?

[Bug target/91855] New: [8/9 Regression] OpenJDK Zero VM segfaults on SPARC

2019-09-22 Thread glaubitz at physik dot fu-berlin.de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91855 Bug ID: 91855 Summary: [8/9 Regression] OpenJDK Zero VM segfaults on SPARC Product: gcc Version: 9.2.1 Status: UNCONFIRMED Severity: normal Priority: P3

[Bug middle-end/80824] Missing 'variable-is-used-uninitialized' warning

2019-09-22 Thread gccbugs at dima dot secretsauce.net
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80824 --- Comment #2 from Dima Kogan --- I just tried this with Debian builds of gcc8 and gcc9: 8.3.0-19 and 9.2.1-8. This bug still exists in both.