[Bug tree-optimization/92813] sprintf result not used by strlen pass

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92813 Martin Sebor changed: What|Removed |Added Keywords||diagnostic, |

[Bug demangler/68700] demangler failed with signal 11

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68700 Christian Biesinger changed: What|Removed |Added CC||cbiesinger at google dot com ---

Re: [wwwdocs] Document some more C++20 support in libstdc++

I forgot about , so I actually committed this patch instead. commit 46f60e0689384ba6e58a9896b5831969940ac74b Author: Jonathan Wakely Date: Wed Dec 4 23:26:45 2019 + Document some more C++20 support in libstdc++ diff --git a/htdocs/gcc-10/changes.html b/htdocs/gcc-10/changes.html

Re: [PATCH] rs6000: Fix 2 for PR92661, Do not define builtins that overload disabled builtins

On 12/4/19 1:16 PM, Segher Boessenkool wrote: > For future patches: it is much easier to review if you make the big, > mechanical move a separate (earlier) patch. Will do. >> I have also >> included a small patch to disable running the powerpc/dfp/ tests even for >> powerpc*-linux when

Re: [ PATCH ] [ C++ ] Implementing P0767 - deprecate POD

On 03/12/19 20:30 -0500, JeanHeyd Meneide wrote: This patch implements deprecate POD for the C++ Standard Library, Thanks. bringing libstdc++ that much closer to 2020 conformance ! N.B. adding the attribute is not required for conformance. +#if defined(__DEPRECATED) && (__cplusplus >

[Bug c/84919] [8/9/10 Regression] error: passing argument 1 to restrict-qualified parameter aliases with argument 5 [-Werror=restrict]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84919 --- Comment #17 from Martin Sebor --- The patch below avoids the warning. Unfortunately, as a result of bug 92666, it triggers another bogus warning during bootstrap. Index: gcc/c-family/c-common.c

[Bug demangler/70517] c++filt crashes when demangling a symbol

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70517 Christian Biesinger changed: What|Removed |Added CC||cbiesinger at google dot com ---

[Bug demangler/88629] Regression lead to Heap-buffer-overflow problem in function d_expression_1 in cp-demangle.c, as demonstrated by c++filt

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88629 Christian Biesinger changed: What|Removed |Added CC||cbiesinger at google dot com ---

[Bug demangler/84668] c++filt: out of memory allocating 18446744071696285694 bytes after a total of 135168 bytes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84668 Christian Biesinger changed: What|Removed |Added CC||cbiesinger at google dot com ---

Re: PowerPC V9 patches, Add the PCREL_OPT optimization

On Wed, Dec 04, 2019 at 05:16:05PM -0600, Segher Boessenkool wrote: > > pla 9,ext_symbol@pcrel # add (0),1 for optional operands > > pla does not have optional operands like that? It does, just like load/store insns. -- Alan Modra Australia Development Lab, IBM

[Bug demangler/87241] A hang problem for c++filt

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87241 Christian Biesinger changed: What|Removed |Added CC||cbiesinger at google dot com ---

[Bug middle-end/91582] missing heap overflow detection for strcpy

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91582 --- Comment #4 from Martin Sebor --- Author: msebor Date: Thu Dec 5 01:28:11 2019 New Revision: 278983 URL: https://gcc.gnu.org/viewcvs?rev=278983=gcc=rev Log: PR middle-end/91582 - missing heap overflow detection for strcpy gcc/ChangeLog:

Re: [PATCH] extend -Wstringop-overflow to allocated objects (PR 91582)

On 12/2/19 10:06 AM, Jeff Law wrote: On 11/8/19 3:11 PM, Martin Sebor wrote: Unless it's used with _FORTIFY_SOURCE, -Wstringop-overflow doesn't consider out-of-bounds accesses to objects allocated by alloca, malloc, other functions declared with attribute alloc_size, or even VLAs with variable

Re: [PATCH 01/13] Add support for gang local storage allocation in shared memory

Hi! On Fri, 15 Nov 2019 13:41:11 -0800 Julian Brown wrote: > This patch provides support for gang local storage allocation in > shared memory. It is mostly identical to the version posted > previously, with one cosmetic fix (a duplicated identical condition): > >

libbacktrace patch committed: Declare test1 in edtest.c with noclone

This libbacktrace patch adds the noclone attribute to the version of test1 in edtest.c, to correspond to other versions of test1. Bootstrapped and ran libbacktrace tests on x86_64-pc-linux-gnu. Committed to mainline. Ian 2019-12-04 Ian Lance Taylor * edtest.c (test1): Add noclone attribute.

[Bug middle-end/92815] New: spurious -Wstringop-overflow writing into a flexible array of an extern struct

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92815 Bug ID: 92815 Summary: spurious -Wstringop-overflow writing into a flexible array of an extern struct Product: gcc Version: 10.0 Status: UNCONFIRMED Severity:

[Bug middle-end/92815] [8/9/10 Regression] spurious -Wstringop-overflow writing into a flexible array of an extern struct

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92815 Martin Sebor changed: What|Removed |Added Keywords||diagnostic

[Bug middle-end/92815] [8/9/10 Regression] spurious -Wstringop-overflow writing into a flexible array of an extern struct

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92815 Martin Sebor changed: What|Removed |Added Blocks||56456 --- Comment #2 from Martin Sebor

Re: [PATCH] Enable mask operation for 128/256-bit vector VCOND_EXPR under avx512f (PR92686)

On Wed, Dec 4, 2019 at 4:22 PM Jakub Jelinek wrote: > > On Wed, Dec 04, 2019 at 10:07:05AM +0800, Hongtao Liu wrote: > > Changelog > > gcc/ > > PR target/92686 > > * config/i386/sse.md > > (*_cmp3, > > *_cmp3, > > *_ucmp3, > > *_ucmp3): New. > > *

[Bug middle-end/92814] New: missing -Wstringop-overflow writing into a dynamically allocated flexible array member

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92814 Bug ID: 92814 Summary: missing -Wstringop-overflow writing into a dynamically allocated flexible array member Product: gcc Version: 10.0 Status: UNCONFIRMED

[Bug middle-end/91582] missing heap overflow detection for strcpy

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91582 --- Comment #5 from Martin Sebor --- Part 2 of the patch series was committed in r278983. Part 1 and part 3 are still waiting for review and approval: https://gcc.gnu.org/ml/gcc-patches/2019-11/msg00429.html

[PATCH] libstdc++: Define pretty printer for comparison categories

* python/libstdcxx/v6/printers.py (StdCmpCatPrinter): New printer. * testsuite/libstdc++-prettyprinters/cxx20.cc: New test. Tested x86_64-linux, committed to trunk. commit b41a87d7889f2399d4c1a0c626a656ba384e71a8 Author: Jonathan Wakely Date: Thu Dec 5 00:24:58 2019 +

[PATCH] libstdc++: Implement spaceship for std::array (P1614R2)

As done for std::pair, this defines operator<=> as a non-member function template and does not alter operator==, as expected to be proposed as the resolution to an unpublished LWG issue. Instead of calling std::lexicographical_compare_three_way the <=> overload is implemented by hand to take

libbacktrace patch committed: Simplify DWARF section handling

This libbacktrace patch simplifies the DWARF section handling. This is in preparation for DWARF 5 support, as DWARF 5 requires us to read more sections. Bootstrapped and ran libbacktrace and Go tests on x86_64-pc-linux-gnu. Committed to mainline. Ian 2019-12-04 Ian Lance Taylor *

[Bug c++/39751] ICE in cp_lexer_new_from_tokens, at cp/parser.c:342

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=39751 --- Comment #11 from Dmitry G. Dyachenko --- Original test case from c#0 crash in trunk gcc version 10.0.0 20191204 (experimental) [trunk revision 278972] (GCC) $ g++ -fpreprocessed -fsyntax-only a.ii a.ii:5:1: error: types may not be defined

[PATCH][AMDGCN] Skip test gcc/testsuite/gcc.dg/asm-4.c

Hi, the inline assembly "p" modifier ("An operand that is a valid memory address is allowed", cf. https://gcc.gnu.org/onlinedocs/gcc/Simple-Constraints.html#Simple-Constraints) is not supported on AMD GCN. This causes an ICE during the compilation of gcc.dg/asm-4.c. We should skip the test for

[Bug ipa/92799] ICE: in get, at cgraph.h:1339

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92799 Richard Biener changed: What|Removed |Added Keywords||ice-on-valid-code CC|

[Bug tree-optimization/92803] [10 Regression] error: type mismatch in 'vec_perm_expr' since r278764

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92803 --- Comment #8 from Richard Biener --- (In reply to Jakub Jelinek from comment #4) > Though, there is another issue, for the nelts 2 vectors > simplify_vector_constructor created code is actually larger than old code. > And, it might be

[Bug ipa/92800] IPA escape analysis for structs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92800 --- Comment #1 from Richard Biener --- Note there's people from Marvell working on the same thing, posting design docs (some privately to me though). gobl...@marvell.com was working on this.

[Bug ipa/92801] Drop unused struct fields

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92801 --- Comment #3 from Richard Biener --- You're repeating mistakes fromm the past. The "dumb" approach works for a single benchmark (mcf) but isn't at all usable for anything in the real world which means it is of no use for GCC (when factoring

[Bug tree-optimization/92803] [10 Regression] error: type mismatch in 'vec_perm_expr' since r278764

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92803 --- Comment #6 from Richard Biener --- Hmm, I don't think it is fully correct. Let me dig in a bit.

[Bug tree-optimization/92803] [10 Regression] error: type mismatch in 'vec_perm_expr' since r278764

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92803 Richard Biener changed: What|Removed |Added Assignee|jakub at gcc dot gnu.org |rguenth at gcc dot gnu.org ---

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