[Bug target/94915] New: MAX_EXPR weirdly optimized on x86 with -mtune=core2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94915 Bug ID: 94915 Summary: MAX_EXPR weirdly optimized on x86 with -mtune=core2 Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component

[Bug tree-optimization/94916] New: Failure to optimize pattern into difference or zero selector

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94916 Bug ID: 94916 Summary: Failure to optimize pattern into difference or zero selector Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Pr

[Bug bootstrap/94917] New: Ada bootstrap errors on Cygwin64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94917 Bug ID: 94917 Summary: Ada bootstrap errors on Cygwin64 Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap

[Bug bootstrap/94917] Ada bootstrap errors on Cygwin64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94917 Mikael Pettersson changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug fortran/93114] Use span passing components of derived types

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93114 --- Comment #2 from Thomas Koenig --- Created attachment 48430 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48430&action=edit Preliminary partial patch Here is a very preliminary implementation, which only looks at the return values of m

[Bug bootstrap/94918] New: Ada bootstrap errors on Cygwin64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94918 Bug ID: 94918 Summary: Ada bootstrap errors on Cygwin64 Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap

[Bug tree-optimization/94919] New: Failure to recognize max pattern

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94919 Bug ID: 94919 Summary: Failure to recognize max pattern Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization

[Bug tree-optimization/94920] New: Failure to optimize abs pattern from arithmetic with selected operands based on comparisons with 0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94920 Bug ID: 94920 Summary: Failure to optimize abs pattern from arithmetic with selected operands based on comparisons with 0 Product: gcc Version: 11.0 Status: UNCONFIRMED

[Bug tree-optimization/94919] Failure to recognize max pattern

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94919 --- Comment #1 from Marc Glisse --- This seems related to another one you reported, in the category: i&-b == b?i:0 (for b∈{0,1}). The first form has the advantage of no branch, while the second is less obfuscated and simplifies more naturally (li

[Bug fortran/83118] [8/9/10/11 Regression] Bad intrinsic assignment of class(*) array component of derived type

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83118 --- Comment #34 from Paul Thomas --- (In reply to Rainer Orth from comment #33) > What's going to happen with the fix? It works for me on > sparc-sun-solaris2.11 > and obviously several other targets. This has been open for months now with > a

[Bug tree-optimization/94921] New: Failure to optimize nots with sub into single add

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94921 Bug ID: 94921 Summary: Failure to optimize nots with sub into single add Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug c++/94922] New: Functional cast from base class to derived class incorrectly accepted with -std=c++2a

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94922 Bug ID: 94922 Summary: Functional cast from base class to derived class incorrectly accepted with -std=c++2a Product: gcc Version: 10.0 Status: UNCONFIRMED Seve

[Bug c++/94922] Functional cast from base class to derived class incorrectly accepted with -std=c++2a

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94922 --- Comment #1 from Patrick Palka --- The above appears to be a 10/11 regression, but note that all versions of GCC >= 4.7 also incorrectly accept the following testcase: struct base {}; struct derived : base {}; template void foo(); void bar

[Bug c++/94922] Functional cast from base class to derived class incorrectly accepted with -std=c++2a

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94922 --- Comment #2 from Patrick Palka --- Another testcase that exhibits the 10/11 regression: struct base {}; struct derived : base {}; void foo() { derived a = derived(base()); }

[Bug tree-optimization/94921] Failure to optimize nots with sub into single add

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94921 --- Comment #1 from Marc Glisse --- x + y ?

[Bug c++/94923] New: False positive -Wclass-memaccess with trivially copyable std::optional

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94923 Bug ID: 94923 Summary: False positive -Wclass-memaccess with trivially copyable std::optional Product: gcc Version: 9.3.0 Status: UNCONFIRMED Severity: normal

[Bug c++/94924] New: Default equality operator for C-array compares addresses, not data

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94924 Bug ID: 94924 Summary: Default equality operator for C-array compares addresses, not data Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal

[Bug middle-end/61577] [4.9.0 Regression] can't compile on hp-ux v3 ia64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61577 --- Comment #210 from dave.anglin at bell dot net --- On 2020-05-02 12:14 a.m., peter.bisroev at groundlabs dot com wrote: > Looks like we might have to get the fix into GNU AS first to get PCREL60B > working. I will try to look into how we can ge

[Bug fortran/94788] [8/9 Regression] Severe regression leading to double free in tcache

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94788 --- Comment #43 from CVS Commits --- The master branch has been updated by Thomas Kथà¤nig : https://gcc.gnu.org/g:116784bbde9ed391393320d936ae2fff37442779 commit r11-25-g116784bbde9ed391393320d936ae2fff37442779 Author: Thomas Koenig Date:

[Bug c++/94923] False positive -Wclass-memaccess with trivially copyable std::optional

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94923 Daniel Krügler changed: What|Removed |Added CC||daniel.kruegler@googlemail.

[Bug c++/94923] False positive -Wclass-memaccess with trivially copyable std::optional

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94923 --- Comment #2 from dawid_jurek at vp dot pl --- Yeah, that's the correct reproducer of issue I reported. I noticed missing bracket after pasting it from godbolt but unfortunately couldn't edit my comment after posting.

[Bug fortran/94925] New: Undesired runtime warning message

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94925 Bug ID: 94925 Summary: Undesired runtime warning message Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran

[Bug translation/93861] typo in warning: %qs is not valid for %

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93861 Iain Sandoe changed: What|Removed |Added Target||*-darwin* Status|UNCONFIRMED

[Bug translation/93861] typo in warning: %qs is not valid for %

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93861 --- Comment #1 from CVS Commits --- The master branch has been updated by Iain D Sandoe : https://gcc.gnu.org/g:7df457899078c5889194c1736cffcfd4d50f5305 commit r11-26-g7df457899078c5889194c1736cffcfd4d50f5305 Author: Iain Sandoe Date: Sat Ma

[Bug translation/93861] typo in warning: %qs is not valid for %

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93861 Iain Sandoe changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug bootstrap/94918] Ada bootstrap errors on Cygwin64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94918 Mikael Pettersson changed: What|Removed |Added Known to fail||10.0, 8.4.0, 9.3.0 --- Comment #1 fr

[Bug fortran/94788] [8/9 Regression] Severe regression leading to double free in tcache

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94788 --- Comment #44 from CVS Commits --- The master branch has been updated by H.J. Lu : https://gcc.gnu.org/g:6abe1c3084798d3e5f32926c352643e557073e01 commit r11-27-g6abe1c3084798d3e5f32926c352643e557073e01 Author: H.J. Lu Date: Sat May 2 12:46

[Bug c++/94926] New: [9 regression] invalid use of incomplete type not recogniced for static self reference of templated struct

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94926 Bug ID: 94926 Summary: [9 regression] invalid use of incomplete type not recogniced for static self reference of templated struct Product: gcc Version: 9.1.0

[Bug rtl-optimization/94927] New: cortex-m7: Incorrect insn_reservation for vmaxnm/vminnm instructions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94927 Bug ID: 94927 Summary: cortex-m7: Incorrect insn_reservation for vmaxnm/vminnm instructions Product: gcc Version: 7.3.1 Status: UNCONFIRMED Severity: normal

[Bug c++/94912] Non-consistent behaviour of VLAs in C++ mode compared to C

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94912 Martin Sebor changed: What|Removed |Added Resolution|--- |DUPLICATE Status|UNCONFIRMED

[Bug c++/68531] changing bound variable of a VLA type changes type size

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68531 Martin Sebor changed: What|Removed |Added CC||gabravier at gmail dot com --- Comment #3

[Bug gcov-profile/94928] New: Doc comments in gcov-io.h do not show cwd and unexec blocks in the Notes file format

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94928 Bug ID: 94928 Summary: Doc comments in gcov-io.h do not show cwd and unexec blocks in the Notes file format Product: gcc Version: 11.0 Status: UNCONFIRMED Sever

[Bug c++/94923] False positive -Wclass-memaccess with trivially copyable std::optional

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94923 Martin Sebor changed: What|Removed |Added Keywords||diagnostic Status|UNCONFIRMED

[Bug c++/94929] New: GCC 8 chokes on std::max in alignas

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94929 Bug ID: 94929 Summary: GCC 8 chokes on std::max in alignas Product: gcc Version: 8.4.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug c++/94923] False positive -Wclass-memaccess with trivially copyable std::optional

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94923 Martin Sebor changed: What|Removed |Added Known to fail||10.0, 8.4.0, 9.3.0 Assignee|una

[Bug tree-optimization/94930] New: Failure to optimize out subvsi in expansion of __builtin_memcmp with 1 as the operand with -ftrapv

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94930 Bug ID: 94930 Summary: Failure to optimize out subvsi in expansion of __builtin_memcmp with 1 as the operand with -ftrapv Product: gcc Version: 11.0 Status: UNCONFIRMED

[Bug c++/94922] Functional cast from base class to derived class incorrectly accepted with -std=c++2a

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94922 Patrick Palka changed: What|Removed |Added Resolution|--- |INVALID Status|UNCONFIRMED

[Bug fortran/94931] New: request: print include path

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94931 Bug ID: 94931 Summary: request: print include path Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran A

[Bug c++/94932] New: ICE in ovl_skip_hidden, at cp/tree.c:2292

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94932 Bug ID: 94932 Summary: ICE in ovl_skip_hidden, at cp/tree.c:2292 Product: gcc Version: 10.0 Status: UNCONFIRMED Keywords: ice-on-invalid-code Severity: normal P