https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91876
Bug ID: 91876
Summary: Segmentation fault when comparing
std::system_error::code() and
std::errc::invalid_argument
Product: gcc
Version: 7.2.1
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91875
--- Comment #1 from hehaochen at hotmail dot com
---
All the experiments are run on
gcc-docker(https://hub.docker.com/_/gcc?tab=description) on CentOS Linux
release 7.6.1810 Core.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91875
Bug ID: 91875
Summary: Performance drop with mt19937 with -O2/-O3/-Ofast
compared to -O1
Product: gcc
Version: 7.1.0
Status: UNCONFIRMED
Severity: normal
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91866
--- Comment #1 from Marc Glisse ---
See https://gcc.gnu.org/ml/gcc-patches/2019-08/msg00821.html
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67629
--- Comment #9 from Eric Gallager ---
(In reply to Matthew Woehlke from comment #8)
> Given what -Wreturn-type is trying to accomplish, I wonder if a "delayed
> issuance" strategy would be in order? IOW, have the front end "trigger" the
>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91874
Bug ID: 91874
Summary: ICE compiling constexpr function using another
struct's member as array size in template
Product: gcc
Version: 9.1.0
Status: UNCONFIRMED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91873
Bug ID: 91873
Summary: -Wreturn-type diagnostic location changes depending on
optimization level and destructor declaration
Product: gcc
Version: 9.2.0
Status:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91707
--- Comment #6 from Martin Sebor ---
The nowarning idea in comment #5 is close to what I've been moving toward with
the new __builtin_warning intrinsic. Calls to it can be injected into the IL
by any pass, even the front-ends or user-defined
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91872
Bug ID: 91872
Summary: [10 Regression] ICE in insert_vi_for_tree, at
tree-ssa-structalias.c:2877, or ICE in
expand_expr_real_1, at expr.c:10062
Product: gcc
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91871
--- Comment #1 from Brooks Moses ---
FWIW, this function only seems to be used in the seven
testsuite/23_containers/*/14340.cc tests.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91871
Bug ID: 91871
Summary: iterator_to_const_iterator() in testsuite_hooks.h
causes valid -Wreturn-stack-address warnings with LLVM
Product: gcc
Version: 10.0
Status:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91860
--- Comment #2 from Jim Wilson ---
Created attachment 46919
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46919=edit
untested fix to copy i2src earlier
works for testcase but otherwise untested
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91860
Jim Wilson changed:
What|Removed |Added
CC||wilson at gcc dot gnu.org
--- Comment #1
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91845
Marek Polacek changed:
What|Removed |Added
Status|NEW |ASSIGNED
Assignee|unassigned
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91868
Marek Polacek changed:
What|Removed |Added
Status|NEW |ASSIGNED
Assignee|unassigned
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91864
kargl at gcc dot gnu.org changed:
What|Removed |Added
Priority|P3 |P4
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68812
Jeff Chapman changed:
What|Removed |Added
CC||jeff.chapman.bugs at gmail dot
com
---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68372
Jeff Chapman changed:
What|Removed |Added
CC||jeff.chapman.bugs at gmail dot
com
---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91870
Bug ID: 91870
Summary: ICE in ltotests_1.o
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: lto
Assignee:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91866
Jakub Jelinek changed:
What|Removed |Added
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91868
Eric Gallager changed:
What|Removed |Added
CC||egallager at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68093
Jeff Chapman changed:
What|Removed |Added
CC||jeff.chapman.bugs at gmail dot
com
---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67969
Jeff Chapman changed:
What|Removed |Added
CC||jeff.chapman.bugs at gmail dot
com
---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90835
Iain Sandoe changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91869
Bug ID: 91869
Summary: Constant bitfield assignment causes unnecessary use of
memory and instructions
Product: gcc
Version: 9.2.1
Status: UNCONFIRMED
Keywords:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91809
Jason Merrill changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91868
Marek Polacek changed:
What|Removed |Added
Keywords||diagnostic
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91868
Bug ID: 91868
Summary: wrong location info with -Wshadow on C++ constructors
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91867
Bug ID: 91867
Summary: Internal compiler error in simple for(auto) loop when
using -std=c++11 with -fconcepts
Product: gcc
Version: 10.0
Status: UNCONFIRMED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91866
Bug ID: 91866
Summary: Sign extend of an int is not recognized
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Keywords: missed-optimization
Severity: normal
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91707
--- Comment #5 from Jakub Jelinek ---
Or mark the jump threading copies of stmts for sanitization (which start with
the __builtin___{asan,ubsan}_* calls) as nowarning.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91707
Jakub Jelinek changed:
What|Removed |Added
CC||law at gcc dot gnu.org
--- Comment #4
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91707
--- Comment #3 from Jakub Jelinek ---
First of all, we shouldn't create such weirdo arrays, so I think we want
something like:
--- gcc/tree-ssa-ccp.c.jj 2019-09-20 12:25:26.809718354 +0200
+++ gcc/tree-ssa-ccp.c 2019-09-23
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91222
--- Comment #17 from Steve Ellcey ---
I tested Jason's patch on my Aarch64 box and it fixed the ICE. Any chance we
could check that patch in so that we could build SPEC 2017 with -flto?
I don't know if we want to allow this mismatch or not but
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91865
Bug ID: 91865
Summary: Combine misses opportunity to remove (sign_extend
(zero_extend)) before searching for insn patterns
Product: gcc
Version: 9.0
Status: UNCONFIRMED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91809
--- Comment #4 from Jason Merrill ---
Author: jason
Date: Mon Sep 23 17:48:00 2019
New Revision: 276059
URL: https://gcc.gnu.org/viewcvs?rev=276059=gcc=rev
Log:
PR c++/91809 - bit-field and ellipsis.
decay_conversion converts a
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91364
Bug 91364 depends on bug 91844, which changed state.
Bug 91844 Summary: Implement CWG 2352, Similar types and reference binding
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91844
What|Removed |Added
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91844
Marek Polacek changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91844
--- Comment #4 from Marek Polacek ---
Author: mpolacek
Date: Mon Sep 23 17:37:54 2019
New Revision: 276058
URL: https://gcc.gnu.org/viewcvs?rev=276058=gcc=rev
Log:
PR c++/91844 - Implement CWG 2352, Similar types and reference binding.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=38470
--- Comment #20 from Andrew Macleod ---
No plans at this point to have VRP info in the front end since it requires SSA.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91707
Martin Sebor changed:
What|Removed |Added
Blocks||88443
--- Comment #2 from Martin Sebor
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91831
--- Comment #2 from Martin Jambor ---
I proposed a fix on the mailing list:
https://gcc.gnu.org/ml/gcc-patches/2019-09/msg01345.html
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91864
G. Steinmetz changed:
What|Removed |Added
Keywords||ice-on-invalid-code
--- Comment #1 from
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91864
Bug ID: 91864
Summary: [9/10 Regression] ICE in gfc_check_do_variable, at
fortran/parse.c:4405
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90795
--- Comment #3 from G. Steinmetz ---
Compiles without "final::f" or with a scalar "b" :
$ cat z2.f90
module m
type t
contains
final :: f
end type
type t2
type(t), allocatable :: a
end type
type t3
type(t2),
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90795
G. Steinmetz changed:
What|Removed |Added
CC||gs...@t-online.de
--- Comment #2 from G.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91863
Bug ID: 91863
Summary: [9/10 Regression] ICE in wide_int_to_tree_1, at
tree.c:156
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91862
G. Steinmetz changed:
What|Removed |Added
Keywords||ice-on-valid-code
--- Comment #1 from G.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91862
Bug ID: 91862
Summary: [9/10 Regression] ICE in fold_convert_loc, at
fold-const.c:2394
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91853
--- Comment #3 from Martin Jambor ---
IPA-SRA transformation code gets confused by type mismatch in the K
C input, the call has an int where the function has a pointer
parameter and as a consequence we try to obtain an ADDR_EXPR of an SSA
name.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82803
Andrew Pinski changed:
What|Removed |Added
Component|rtl-optimization|tree-optimization
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=38470
--- Comment #19 from Manuel López-Ibáñez ---
(In reply to Andrew Macleod from comment #18)
> So the information would be there if one knew what to look for and how to
> use it.
The issue here is to either have VRP info in the FE (like Clang
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91788
--- Comment #4 from Jonathan Wakely ---
Author: redi
Date: Mon Sep 23 15:54:16 2019
New Revision: 276056
URL: https://gcc.gnu.org/viewcvs?rev=276056=gcc=rev
Log:
PR libstdc++/91788 improve codegen for std::variant::index()
If __index_type is a
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91841
--- Comment #6 from H.J. Lu ---
(In reply to Matthias Kretz (Vir) from comment #2)
> Ah, because of:
>
> typedef int __m64 __attribute__ ((__vector_size__ (8), __may_alias__));
>
> ? Too be pedantic only `int [[gnu::vector_size(8)]]` equals
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=38470
Andrew Macleod changed:
What|Removed |Added
CC||amacleod at redhat dot com
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88566
Andrew Macleod changed:
What|Removed |Added
CC||amacleod at redhat dot com
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91809
Jason Merrill changed:
What|Removed |Added
Status|NEW |ASSIGNED
Assignee|unassigned
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91832
--- Comment #3 from Martin Jambor ---
I proposed a simple fix on the mailing list:
https://gcc.gnu.org/ml/gcc-patches/2019-09/msg01338.html
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91853
Martin Jambor changed:
What|Removed |Added
Status|NEW |ASSIGNED
Assignee|unassigned
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91831
Martin Jambor changed:
What|Removed |Added
Status|NEW |ASSIGNED
Assignee|unassigned
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91861
Richard Biener changed:
What|Removed |Added
Known to fail||10.0
--- Comment #1 from Richard
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91788
--- Comment #3 from Marc Glisse ---
(In reply to Jonathan Wakely from comment #2)
> I think we can do that more generically. Does this look right?
lgtm
> (The downside would be that many more functions might need to be
> friends to access
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91788
Jonathan Wakely changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91823
--- Comment #5 from rsandifo at gcc dot gnu.org
---
Author: rsandifo
Date: Mon Sep 23 11:56:47 2019
New Revision: 276055
URL: https://gcc.gnu.org/viewcvs?rev=276055=gcc=rev
Log:
Fix non-canonical CONST_INTs in altivec_copysign_v4sf3 (PR91823)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91823
rsandifo at gcc dot gnu.org changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91842
--- Comment #2 from Martin Liška ---
(In reply to Martin Jambor from comment #1)
> I don't see this in my test results. If your architecture is not
> x86_64-linux (and even if it is), please fill in the host and target
> Bugzilla fields
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91842
--- Comment #1 from Martin Jambor ---
I don't see this in my test results. If your architecture is not
x86_64-linux (and even if it is), please fill in the host and target
Bugzilla fields appropriately. Grepping GCC sources, it seems it is
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91859
--- Comment #3 from Domingo Alvarez ---
Thank you !
I was suspecting it after report this problem and added a destructor to the
sample and then the code behaves as you describe.
Sorry by the noise and thank you again !
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91787
Jonathan Wakely changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91859
Jonathan Wakely changed:
What|Removed |Added
Keywords||wrong-code
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91859
Jonathan Wakely changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91835
--- Comment #4 from Martin Jambor ---
Thanks a lot
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91777
--- Comment #7 from Jonathan Wakely ---
It's also diagnosed by libstdc++ Debug Mode:
/home/jwakely/gcc/10/include/c++/10.0.0/debug/safe_iterator.h:294:
In function:
__gnu_debug::_Safe_iterator<_Iterator, _Sequence, _Category>::reference
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91837
Richard Biener changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91837
--- Comment #6 from Daniel Cooke ---
Can confirm I'm no longer having any issues after upgrading binutils to 2.32.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87047
--- Comment #13 from Richard Biener ---
(In reply to Alexander Monakov from comment #12)
> Created attachment 46911 [details]
> patch for scaled cost calculation
>
> Attaching a patch that implements the tactic outlined in comment #10.
One
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91861
Bug ID: 91861
Summary: invalid vectorization of isless, islessequal, etc.
Product: gcc
Version: 9.2.0
Status: UNCONFIRMED
Keywords: missed-optimization, wrong-code
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91860
Bug ID: 91860
Summary: [10 Regression] ICE: in decompose, at rtl.h:2279 with
-Og -fipa-cp -g --param=max-combine-insns=3
Product: gcc
Version: 10.0
Status: UNCONFIRMED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91826
Jonathan Wakely changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91859
Bug ID: 91859
Summary: Optnization -O2 removes valid and necessary code
Product: gcc
Version: 9.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91827
Jonathan Wakely changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87047
--- Comment #12 from Alexander Monakov ---
Created attachment 46911
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46911=edit
patch for scaled cost calculation
Attaching a patch that implements the tactic outlined in comment #10.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55588
Jonathan Wakely changed:
What|Removed |Added
Last reconfirmed|2018-09-18 00:00:00 |2019-9-23
--- Comment #7 from
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91808
Jonathan Wakely changed:
What|Removed |Added
CC||nathan at gcc dot gnu.org
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91808
Jonathan Wakely changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91835
Rainer Orth changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
URL|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91410
Thomas Schwinge changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91809
Jonathan Wakely changed:
What|Removed |Added
Keywords||diagnostic
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87001
Jonathan Wakely changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86859
Jonathan Wakely changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91806
Jonathan Wakely changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82803
--- Comment #10 from Yann Droneaud ---
Some more snippets, generated with creduce:
-8<
void a(long *);
int b(void);
void c(void);
long d(void) {
static __thread long e;
a();
if (b())
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91729
--- Comment #3 from Paul Thomas ---
Author: pault
Date: Mon Sep 23 09:19:10 2019
New Revision: 276051
URL: https://gcc.gnu.org/viewcvs?rev=276051=gcc=rev
Log:
2019-09-23 Paul Thomas
PR fortran/91729
* match.c
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91835
--- Comment #2 from Rainer Orth ---
Author: ro
Date: Mon Sep 23 09:17:57 2019
New Revision: 276050
URL: https://gcc.gnu.org/viewcvs?rev=276050=gcc=rev
Log:
Use underscore in IPA-SRA LTO section name (PR ipa/91835)
PR ipa/91835
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78237
Jonathan Wakely changed:
What|Removed |Added
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91850
--- Comment #2 from Jonathan Wakely ---
https://gcc.gnu.org/wiki/VerboseDiagnostics#missing_static_const_definition
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91805
Jonathan Wakely changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78552
Jonathan Wakely changed:
What|Removed |Added
CC||chris at clearwater dot dev
---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91832
Martin Jambor changed:
What|Removed |Added
Status|NEW |ASSIGNED
Assignee|unassigned
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91854
Eric Botcazou changed:
What|Removed |Added
Known to work||7.4.0
Assignee|unassigned at
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