[Bug demangler/82026] Undemanglable symbol

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82026 Markus Trippelsdorf changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug driver/81519] Enhancement: Add --help=target-distcc or similar to dump clean, optimal CFLAGS without using -march=native

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81519 --- Comment #7 from Daniel Santos --- (In reply to Martin Liška from comment #4) > Ok, so I've briefly investigated source code and providing such information > is definitely not a simple task :/ > > I would recommend to fix PR39851 and then

[Bug c++/81932] Template arguments of type unsigned generate incorrect debugging information

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81932 --- Comment #24 from Xi Ruoyao --- (In reply to Paul Smith from comment #23) > The lookup_type() was just to show the problem more clearly: I don't do that > in my actual Python code. This part (or something similar) is what I use: > > class

[Bug c++/81932] Template arguments of type unsigned generate incorrect debugging information

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81932 --- Comment #23 from Paul Smith --- The lookup_type() was just to show the problem more clearly: I don't do that in my actual Python code. This part (or something similar) is what I use: class tv(gdb.Function): def __init__(self):

[Bug tree-optimization/82017] missing strlen optimization for chained mempcpy calls

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82017 Eric Gallager changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug middle-end/79220] missing -Wstringop-overflow= on a memcpy overflow

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79220 Eric Gallager changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug middle-end/77799] missing -Wformat-overflow warning on a trivial sprintf overflow with no directives

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77799 Eric Gallager changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug middle-end/81512] duplicate note in -Walloca-larger-than and alloca in a return statement

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81512 Eric Gallager changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug tree-optimization/81454] missing strcmp optimization and warning on duplicate call with an unknown string

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81454 Eric Gallager changed: What|Removed |Added Keywords||diagnostic

[Bug c++/81932] Template arguments of type unsigned generate incorrect debugging information

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81932 --- Comment #22 from Martin Sebor --- Paul, have you considered determining the type of the specialization of the template from an object of one instead of hardcoding its name? I.e., instead of calling gdb.lookup_type("TreeVector

[Bug tree-optimization/81452] warn on realloc(p, 0)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81452 Eric Gallager changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug tree-optimization/81437] missing -Wstringop-overflow reading past the end of a string

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81437 Eric Gallager changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug tree-optimization/81436] missing -Wstringop-overflow on strncat to a zero-size buffer

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81436 Eric Gallager changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/81593] Optimize PowerPC vector set from vector extract

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81593 --- Comment #4 from Michael Meissner --- Author: meissner Date: Wed Aug 30 01:14:05 2017 New Revision: 251446 URL: https://gcc.gnu.org/viewcvs?rev=251446=gcc=rev Log: 2017-08-29 Michael Meissner Back

[Bug target/81593] Optimize PowerPC vector set from vector extract

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81593 --- Comment #3 from Michael Meissner --- Author: meissner Date: Wed Aug 30 01:12:21 2017 New Revision: 251445 URL: https://gcc.gnu.org/viewcvs?rev=251445=gcc=rev Log: [gcc] 2017-08-29 Michael Meissner

[Bug target/78643] [5/6/7/8 Regression] ICE in convert_move, at expr.c:230

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78643 --- Comment #3 from Jakub Jelinek --- E.g. the following untested patch fixes it (or we could do it in the callers): --- gcc/expr.c.jj 2017-08-29 19:03:09.0 +0200 +++ gcc/expr.c 2017-08-30 02:09:33.150618229 +0200 @@ -7010,7

[Bug target/78643] [5/6/7/8 Regression] ICE in convert_move, at expr.c:230

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78643 --- Comment #2 from Jakub Jelinek --- I think the problem is that while TYPE_MODE has the hacks for vector types (vector_type_mode call), DECL_MODE doesn't have something similar. We have some hacks for this here and there.

[Bug bootstrap/81926] go/parse.o differs between stage2 and stage3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81926 --- Comment #21 from Dennis Clarke --- update : after 11.7 hours the bootstrap completes with no errors. running gmake -k check now.

[Bug rtl-optimization/82024] [8 Regression] wrong code with -Og -fgcse-sm -frerun-cse-after-loop --param=max-combine-insns=3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82024 --- Comment #2 from Segher Boessenkool --- What were the original insns? (combine dump shows that right at the start, with the insn costs for-em).

[Bug target/82002] [8 Regression] ICE in sp_valid_at, at config/i386/i386.c:13233

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82002 --- Comment #1 from Daniel Santos --- (In reply to Martin Liška from comment #0) > Starting from r251321 we ICE on: > > $ cat stack-check.ii > void a (char *); > void > b () > { > char c[100]; > c[1099511627776] = 'b'; > a (c); >

[Bug c/81389] _mm_cmpestri segfault on -O0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81389 Jakub Jelinek changed: What|Removed |Added Status|REOPENED|RESOLVED Resolution|---

[Bug tree-optimization/81435] missing strlen optimization for strcat past the beginning of clear array

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81435 Eric Gallager changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/81585] fastcall/stdcall attribute conflict not detected on distinct declarations of the same function

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81585 Eric Gallager changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c++/81327] cast to void* does not suppress -Wclass-memaccess

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81327 Eric Gallager changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c/81887] pragma omp ordered simd ignored under -fopenmp-simd

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81887 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug tree-optimization/81385] missing optimization involving strlen of arrays of known size

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81385 Eric Gallager changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug tree-optimization/81343] missing strlen optimization with intervening strcat of unknown strings

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81343 Eric Gallager changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c++/78679] Produce a warning on `int + string literal`

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78679 Eric Gallager changed: What|Removed |Added See Also||https://gcc.gnu.org/bugzill

[Bug bootstrap/81926] go/parse.o differs between stage2 and stage3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81926 --- Comment #20 from Dennis Clarke --- (In reply to r...@cebitec.uni-bielefeld.de from comment #17) > > --- Comment #16 from Dennis Clarke --- > > This is excellent follow up ... > > Here is the diff on 7.2.0 gcc/config/sparc/sparc.c based on

[Bug c++/78840] [5 Regression] ICE with const variables in templates implicitly captured by nested lambda expressions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78840 Jason Merrill changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/81236] Crash when calling a template member function from generic lambda

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81236 --- Comment #5 from Jason Merrill --- Author: jason Date: Tue Aug 29 21:38:21 2017 New Revision: 251438 URL: https://gcc.gnu.org/viewcvs?rev=251438=gcc=rev Log: PR c++/81236 - ICE with template-id in generic lambda *

[Bug target/81193] PowerPC GCC __builtin_cpu_is and __builtin_cpu_supports should warn about old libraries

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81193 --- Comment #17 from Michael Meissner --- Author: meissner Date: Tue Aug 29 21:06:21 2017 New Revision: 251437 URL: https://gcc.gnu.org/viewcvs?rev=251437=gcc=rev Log: [gcc] 2017-07-13 Michael Meissner

[Bug lto/82027] [5/6/7/8 Regression] wrong code with -O3 -flto

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82027 Martin Liška changed: What|Removed |Added CC||hubicka at ucw dot cz

[Bug target/82015] PowerPC should check if 2nd argument to __builtin_unpackv1ti and similar functions is 0 or 1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82015 --- Comment #1 from Michael Meissner --- Author: meissner Date: Tue Aug 29 20:25:57 2017 New Revision: 251432 URL: https://gcc.gnu.org/viewcvs?rev=251432=gcc=rev Log: [gcc] 2017-08-29 Michael Meissner PR

[Bug fortran/81841] [5/6/7/8 Regression] THREADPRIVATE (OpenMP) wrongly rejected in BLOCK DATA

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81841 --- Comment #11 from dbroemmel --- Created attachment 42083 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42083=edit testcase for the fix I'm not sure this is the test you had in mind. A fresh gcc-7.2.0 shows an unexpected failure while

[Bug c++/78840] [5 Regression] ICE with const variables in templates implicitly captured by nested lambda expressions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78840 --- Comment #4 from Jason Merrill --- Author: jason Date: Tue Aug 29 20:21:23 2017 New Revision: 251431 URL: https://gcc.gnu.org/viewcvs?rev=251431=gcc=rev Log: PR c++/78840 - ICE with const and nested generic lambda *

[Bug testsuite/82006] [8 Regression] ERROR: torture-init: torture_without_loops is not empty as expected

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82006 --- Comment #4 from Rainer Emrich --- (In reply to Richard Biener from comment #3) > In case it matters I have tcl 8.6.1 and 8.6.3. I tried several different veriosn of tcl, expect an dejagnu. AFAIS the issue is

[Bug lto/82027] [5/6/7/8 Regression] wrong code with -O3 -flto

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82027 Marc Glisse changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c++/80935] [C++1z] incorrect error 'uninitialized variable in constexpr function' when conditionally declaring variable inside lambda inside template class

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80935 --- Comment #3 from Jason Merrill --- Author: jason Date: Tue Aug 29 19:51:30 2017 New Revision: 251429 URL: https://gcc.gnu.org/viewcvs?rev=251429=gcc=rev Log: PR c++/80935 - wrong C++17 error with lambda * decl.c

[Bug c++/82008] nonnull attribute and multiple inheritance

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82008 --- Comment #2 from Jörg Richter --- My original intention was to use the attribute to skip the nullptr check when up-casting. So my preference is to optimize based on the attribute if possible.

[Bug c/82028] Windows x86_64 should not pass float aggregates in xmm

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82028 --- Comment #1 from Josh Stone --- Fedora's mingw-gcc also produces code passing through xmm0: : 0: 55 push %rbp 1: 48 89 e5mov%rsp,%rbp 4: f2 0f 11 45 10 movsd

[Bug c++/80767] Eager instantiation of generic lambda body when not required

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80767 --- Comment #3 from Jason Merrill --- Author: jason Date: Tue Aug 29 19:40:55 2017 New Revision: 251427 URL: https://gcc.gnu.org/viewcvs?rev=251427=gcc=rev Log: PR c++/80767 - unnecessary instantiation of generic lambda *

[Bug c/82028] New: Windows x86_64 should not pass float aggregates in xmm

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82028 Bug ID: 82028 Summary: Windows x86_64 should not pass float aggregates in xmm Product: gcc Version: 7.2.0 Status: UNCONFIRMED Severity: normal Priority: P3

[Bug libstdc++/81964] istream_iterator: unexpected read in ctor

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81964 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug libstdc++/81857] [DR2471] istreambuf_iterator not work as input iterator

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81857 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |SUSPENDED Last reconfirmed|

[Bug c++/78679] Produce a warning on `int + string literal`

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78679 --- Comment #2 from Jonathan Wakely --- (In reply to Vittorio Romeo from comment #0) > This code snippet > > int main() > { > auto a = 6 + ".txt"; > } > > does not produce any warning with `-Wall -Wextra -Wpedantic`. >

[Bug lto/82027] New: wrong code with -O3 -flto

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82027 Bug ID: 82027 Summary: wrong code with -O3 -flto Product: gcc Version: 7.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: lto

[Bug c++/66256] noexcept evaluation done before end of class

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66256 --- Comment #10 from Jonathan Wakely --- Right, GCC's behaviour for comment 0, comment 7 and comment 8 is a bug. GCC's behaviour for comment 3 and comment 4 is not a bug.

[Bug target/81803] [7/8 regression] miscompilation at -O1 on mips64el

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81803 Eric Botcazou changed: What|Removed |Added Assignee|ebotcazou at gcc dot gnu.org |mpf at gcc dot gnu.org ---

[Bug c++/81932] Template arguments of type unsigned generate incorrect debugging information

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81932 --- Comment #21 from Jonathan Wakely --- (In reply to Xi Ruoyao from comment #20) > (In reply to Martin Sebor from comment #18) > > GDB already has a C++ parser. It just isn't good enough. It understands > > that B and B are one and the same

[Bug c++/82025] [6/7 Regression] ICE: in finish_expr_stmt, at cp/semantics.c:678

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82025 Martin Liška changed: What|Removed |Added Keywords||ice-on-valid-code

[Bug c++/82008] nonnull attribute and multiple inheritance

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82008 Jonathan Wakely changed: What|Removed |Added Keywords||diagnostic

[Bug tree-optimization/80936] bcmp, bcopy, and bzero not declared nonnull

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80936 Eric Gallager changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug libstdc++/71500] regex::icase only works on first character in a range

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71500 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug libstdc++/71500] regex::icase only works on first character in a range

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71500 Jonathan Wakely changed: What|Removed |Added CC||flashmozzg at gmail dot com ---

[Bug rtl-optimization/82024] [8 Regression] wrong code with -Og -fgcse-sm -frerun-cse-after-loop --param=max-combine-insns=3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82024 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug libstdc++/77492] std regex icase doesn't seem to work correctly.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77492 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c++/82021] Unnecessary null pointer check in global placement new (and also in any class-specific placement new operator declared as noexcept)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82021 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c++/35878] [LWG 2302] Useless NULL pointer check when constructing object

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=35878 Jonathan Wakely changed: What|Removed |Added CC||carl.cook at gmail dot com ---

[Bug sanitizer/81902] new -fsanitize=pointer-overflow option undocumented

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81902 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug sanitizer/81021] stack-use-after-scope false positive error with exceptions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81021 --- Comment #34 from Matt Godbolt --- Confirmed this fixes all the issues we were seeing. Thanks!

[Bug c++/82021] Unnecessary null pointer check in global placement new (and also in any class-specific placement new operator declared as noexcept)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82021 --- Comment #3 from Marc Glisse --- You can search for "Ville Voutilainen", the patch was this year, not long before the release so maybe March.

[Bug fortran/82018] -Wextra should imply -Wconversion-extra

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82018 Thomas Koenig changed: What|Removed |Added CC||tkoenig at gcc dot gnu.org --- Comment

[Bug sanitizer/81981] [8 Regression] -fsanitize=undefined makes a -Wmaybe-uninitialized warning disappear

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81981 Jakub Jelinek changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug demangler/82026] New: Undemanglable symbol

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82026 Bug ID: 82026 Summary: Undemanglable symbol Product: gcc Version: 7.2.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: demangler

[Bug c++/82021] Unnecessary null pointer check in global placement new (and also in any class-specific placement new operator declared as noexcept)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82021 --- Comment #2 from Carl Cook --- Thanks Marc, that was it. I'd tried with no std=X flags, and std=c+=11. Definitely a DUP. I didn't find any related bug reports when skimming through bugzilla, but that's probably just my fault. Incidentally,

[Bug libstdc++/77492] std regex icase doesn't seem to work correctly.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77492 --- Comment #3 from Danila --- Update: Clang with libc++ also matches regex in all 3 cases.

[Bug libstdc++/77492] std regex icase doesn't seem to work correctly.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77492 --- Comment #2 from Danila --- (In reply to Tim Shen from comment #1) > Seems to be the same issue as 71500. Even though I assume that that bug (71500) was fixed (even though the status is still UNCONFIRMED) it haven't fixed the issue. I tried

[Bug c++/82021] Unnecessary null pointer check in global placement new (and also in any class-specific placement new operator declared as noexcept)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82021 --- Comment #1 from Marc Glisse --- Did you try with -std=c++1z? (if that solves your issue, this is a DUP, it should be enabled in all mode, but it isn't yet)

[Bug c++/82025] New: ICE: in finish_expr_stmt, at cp/semantics.c:678

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82025 Bug ID: 82025 Summary: ICE: in finish_expr_stmt, at cp/semantics.c:678 Product: gcc Version: 7.2.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug c++/81932] Template arguments of type unsigned generate incorrect debugging information

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81932 --- Comment #20 from Xi Ruoyao --- (In reply to Martin Sebor from comment #18) > GDB already has a C++ parser. It just isn't good enough. It understands > that B and B are one and the same type but it > interprets A<2> and A<2u> as distinct.

[Bug rtl-optimization/82024] New: [8 Regression] wrong code with -Og -fgcse-sm -frerun-cse-after-loop --param=max-combine-insns=3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82024 Bug ID: 82024 Summary: [8 Regression] wrong code with -Og -fgcse-sm -frerun-cse-after-loop --param=max-combine-insns=3 Product: gcc Version: 8.0 Status: UNCONFIRMED

[Bug c++/82023] New: [arm] constexpr ICE: in cxx_eval_constant_expression, at cp/constexpr.c:4556

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82023 Bug ID: 82023 Summary: [arm] constexpr ICE: in cxx_eval_constant_expression, at cp/constexpr.c:4556 Product: gcc Version: 8.0 Status: UNCONFIRMED Severity:

[Bug sanitizer/81923] [ASAN] gcc emites wrong odr asan instrumentation for glibc

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81923 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug target/80204] macosx-version-min wrong for macOS Sierra 10.12.3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80204 --- Comment #3 from simon at pushface dot org --- Created attachment 42077 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42077=edit Patch to gcc/config/darwin-driver.c

[Bug sanitizer/81986] sanitizer detects negation of large number in string.c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81986 --- Comment #3 from Jakub Jelinek --- (In reply to Vittorio Zecca from comment #2) > I do not know if this is a libgfortran or a sanitizer bug. > > What I do know is that changing string.c:199 from > > t = - n; > > into > > t =

[Bug target/80204] macosx-version-min wrong for macOS Sierra 10.12.3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80204 --- Comment #2 from simon at pushface dot org --- Created attachment 42076 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42076=edit Proposed solution Demonstrates the solution proposed in the patch.

[Bug tree-optimization/81987] [8 Regression] ICE in verify_ssa with -O3 -march=skylake-avx512

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81987 --- Comment #5 from Bill Schmidt --- -march is not required. This repros on powerpc64le-linux-gnu as well with just -O3.

[Bug target/81988] [7/8 Regression] invalid std instruction with odd register

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81988 Eric Botcazou changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug target/81988] [7/8 Regression] invalid std instruction with odd register

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81988 Eric Botcazou changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/81803] [7/8 regression] miscompilation at -O1 on mips64el

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81803 --- Comment #9 from mpf at gcc dot gnu.org --- Created attachment 42075 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42075=edit Proposed fix Off-thread James pointed out that one of my patches I did last year appeared to fix this issue

[Bug tree-optimization/80576] dead strcpy and strncpy followed by memset not eliminated

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80576 Eric Gallager changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug tree-optimization/80537] missing -Wformat-overflow on POSIX %C conversion specification

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80537 Eric Gallager changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c++/81932] Template arguments of type unsigned generate incorrect debugging information

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81932 --- Comment #19 from Paul Smith --- Hi; is there a next step for this? I understand there's some concern that we should be asking GDB to improve their capabilities but in the meantime can we get GCC to emit the previous format? It would be

[Bug tree-optimization/80535] missing -Wformat-overfow on POSIX directives with the apostrophe flag

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80535 Eric Gallager changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug sanitizer/81923] [ASAN] gcc emites wrong odr asan instrumentation for glibc

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81923 --- Comment #6 from Jakub Jelinek --- I think the right fix is something like: --- asan.c.jj 2017-08-10 02:31:21.0 +0200 +++ asan.c 2017-08-29 17:25:58.337595628 +0200 @@ -2529,9 +2529,12 @@ create_odr_indicator (tree decl, tree

[Bug ada/81961] [7/8 regression] an imported unsized C array in the auto-translated binding raises Storage_Error

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81961 Eric Botcazou changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug tree-optimization/80532] warning on pointer access after free

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80532 Eric Gallager changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug fortran/81841] [5/6/7/8 Regression] THREADPRIVATE (OpenMP) wrongly rejected in BLOCK DATA

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81841 --- Comment #10 from dbroemmel --- (In reply to janus from comment #9) > This seems to be PR 81018 (which translates into "not your fault"). Good :) > I'm happy for now. Backed by your OpenMP quotes, the patch looks pretty > solid to me. Can I

[Bug c++/82022] constexpr lambda in template context: expression ‘’ is not a constant expression

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82022 --- Comment #1 from bastien penavayre --- Created attachment 42074 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42074=edit log error

[Bug c++/82022] New: constexpr lambda in template context: expression ‘’ is not a constant expression

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82022 Bug ID: 82022 Summary: constexpr lambda in template context: expression ‘’ is not a constant expression Product: gcc Version: 7.0.1 Status: UNCONFIRMED

[Bug tree-optimization/80512] missing -Wformat-overfow on a numbered directive with width specified by "*m$"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80512 Eric Gallager changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug ada/81956] [7/8 regression] calling a null procedure is not skipped

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81956 Eric Botcazou changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug fortran/81841] [5/6/7/8 Regression] THREADPRIVATE (OpenMP) wrongly rejected in BLOCK DATA

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81841 --- Comment #9 from janus at gcc dot gnu.org --- (In reply to dbroemmel from comment #8) > (In reply to janus from comment #7) > > Sounds unrelated to your patch (supported by the fact that the 6.2 testsuite > > runs cleanly), however I haven't

[Bug tree-optimization/81503] [8 Regression] Wrong code at -O2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81503 --- Comment #17 from Bill Schmidt --- Fixed in trunk so far. Although this test case succeeds on GCC 7, the bug is latent there, so I'll keep this open and backport the fix to other releases in a week or so.

[Bug sanitizer/81923] [ASAN] gcc emites wrong odr asan instrumentation for glibc

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81923 --- Comment #5 from Maxim Ostapenko --- (In reply to Maxim Ostapenko from comment #4) > Created attachment 42071 [details] > Untested fix > > The patch I'm testing now. It works on attached testcase. Yeeks, this patch is wrong, especially for

[Bug tree-optimization/81503] [8 Regression] Wrong code at -O2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81503 --- Comment #16 from Bill Schmidt --- Author: wschmidt Date: Tue Aug 29 14:41:53 2017 New Revision: 251414 URL: https://gcc.gnu.org/viewcvs?rev=251414=gcc=rev Log: [gcc] 2017-08-29 Bill Schmidt Jakub

[Bug c++/82021] New: Unnecessary null pointer check in global placement new (and also in any class-specific placement new operator declared as noexcept)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82021 Bug ID: 82021 Summary: Unnecessary null pointer check in global placement new (and also in any class-specific placement new operator declared as noexcept) Product: gcc

[Bug target/81803] [7/8 regression] miscompilation at -O1 on mips64el

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81803 --- Comment #8 from James Cowgill --- Created attachment 42072 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42072=edit testcase-c Here is another smaller testcase which was manually created. It works by

[Bug sanitizer/81923] [ASAN] gcc emites wrong odr asan instrumentation for glibc

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81923 --- Comment #4 from Maxim Ostapenko --- Created attachment 42071 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42071=edit Untested fix The patch I'm testing now. It works on attached testcase.

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