between 20200918 and 20200920.
I'll have a go at reducing it.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97125
--- Comment #1 from David Binderman ---
Reduced code is
void a() {
if (0)
a;
else
switch (0)
;
}
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97124
--- Comment #1 from Liu Hao ---
MSYS2 has this patch [1]. Should it be incorporated by GCC somehow?
[1]
https://github.com/msys2/MINGW-packages/commit/0b2f1460ea3b72aa6cf4f263ace52f61a3470afe
#x27;-O0 -ggdb3 ' CXXFLAGS='-O0 -ggdb3 ' --enable-valgrind-annotations
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 11.0.0 20200920 (experimental) (GCC)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97045
Paul Thomas changed:
What|Removed |Added
CC||pault at gcc dot gnu.org
Assigne
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97125
Marek Polacek changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Ever confirmed|0
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97125
Marek Polacek changed:
What|Removed |Added
CC||mpolacek at gcc dot gnu.org
Target Mil
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96863
Marek Polacek changed:
What|Removed |Added
CC||slyfox at gcc dot gnu.org
--- Comment #3
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96863
--- Comment #4 from Marek Polacek ---
struct b {
constexpr b() : c() {}
[[no_unique_address]] struct a {} c;
};
struct d {
constexpr d() : c() {}
int c;
};
struct e : b, d {};
class f {
float g = 1.0f;
e h;
} i;
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97126
Marek Polacek changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90199
Marek Polacek changed:
What|Removed |Added
Assignee|unassigned at gcc dot gnu.org |mpolacek at gcc dot
gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90199
--- Comment #3 from CVS Commits ---
The master branch has been updated by Marek Polacek :
https://gcc.gnu.org/g:0968df43cdd7cbb154c021cd32a7cac25a19aff7
commit r11-3310-g0968df43cdd7cbb154c021cd32a7cac25a19aff7
Author: Marek Polacek
Date: Su
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90199
Marek Polacek changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97125
--- Comment #3 from Marek Polacek ---
We crash because now the C FE uses a SWITCH_STMT in the else branch:
2766 /* Compute the hash of the else branch. */
2767 inchash::hash hstate1 (0);
2768 inchash::add_expr (elseb, hstate1);
2769 has
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97088
--- Comment #3 from Jonathan Wakely ---
(In reply to Christophe Lyon from comment #2)
> OK, so you mean that prototypes like
> extern int __isinff (float x);
> should not name their parameters? I can certainly submit the simple patch to
> newlib.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97125
Marek Polacek changed:
What|Removed |Added
Assignee|unassigned at gcc dot gnu.org |mpolacek at gcc dot
gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97044
--- Comment #1 from Jonathan Wakely ---
The C99 standard says that __STDC_FORMATE_MACROS must be defined before
including the header. The C++11 standard is clear that __STDC_FORMAT_MACROS has
no effect in C++ programs, and the header must defined
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85577
Jonathan Wakely changed:
What|Removed |Added
CC||amir.ahmed.ansari at outlook
dot c
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97055
Jonathan Wakely changed:
What|Removed |Added
Resolution|--- |DUPLICATE
Status|UNCONFIRM
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97125
sandra at gcc dot gnu.org changed:
What|Removed |Added
CC||sandra at gcc dot gnu.org
---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97125
--- Comment #5 from Marek Polacek ---
I think we just want to call do_warn_duplicated_branches_r after we've lowered
control statements:
--- a/gcc/c-family/c-gimplify.c
+++ b/gcc/c-family/c-gimplify.c
@@ -533,10 +533,6 @@ c_genericize (tree fnde
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97127
Bug ID: 97127
Summary: FMA3 code transformation leads to slowdown on Skylake
Product: gcc
Version: 10.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Compo
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97123
--- Comment #1 from Igor Gayday ---
Might be related to Bug #90519.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97125
--- Comment #6 from sandra at gcc dot gnu.org ---
Yeah, that looks like an easy fix. Thanks for tracking it down.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97101
Jonathan Wakely changed:
What|Removed |Added
Assignee|unassigned at gcc dot gnu.org |redi at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97044
--- Comment #2 from Jonathan Wakely ---
Specifically, C99 7.8.1 footnote 182 says:
"C++ implementations should define these macros only when _ _STDC_FORMAT_MACROS
is defined before is included."
The footnote is not present in C11.
C++11 27.9.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97101
--- Comment #1 from CVS Commits ---
The master branch has been updated by Jonathan Wakely :
https://gcc.gnu.org/g:3c755b428e188228d0bad90625c995fd25a02322
commit r11-3312-g3c755b428e188228d0bad90625c995fd25a02322
Author: Jonathan Wakely
Date:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57703
Eric Gallager changed:
What|Removed |Added
CC||egallager at gcc dot gnu.org
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87729
Eric Gallager changed:
What|Removed |Added
CC||egallager at gcc dot gnu.org
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90835
Eric Gallager changed:
What|Removed |Added
Keywords||documentation
--- Comment #28 from Eric
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97128
Bug ID: 97128
Summary: Uninitialized members of base class wrongly allowed in
constexpr constructor
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: nor
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97128
--- Comment #1 from Fedor Alekseev ---
Sorry, the link in the initial comment led to a slightly less minimal example.
Here's a link to the code from the initial comment in CE:
https://godbolt.org/z/dWP1sh
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97128
--- Comment #2 from Fedor Alekseev ---
Also my initial claim about c++20 was wrong, gcc 10+ generates the error when
provided with -std=c++2a switch.
Still there is a problem in c++17 mode.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97129
Bug ID: 97129
Summary: [11 Regression] ICE in maybe_record_trace_start, at
dwarf2cfi.c:2405
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
rvalue, at
analyzer/region-model.cc:1462
7 | memset (xl, 0, sizeof xl);
| ^
0x7335ac ana::region_model::deref_rvalue(ana::svalue const*, tree_node*,
ana::region_model_context*)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200920/work/gcc-11-20200920/gcc/analy
crash_signal
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200920/work/gcc-11-20200920/gcc/toplev.c:327
0x8d0c5a warn_parm_ptrarray_mismatch
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200920/work/gcc-11-20200920/gcc/c-family/c-warn.c:3185
0x8d0c5a warn_parm_array_mismatch(unsigned int
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97132
Bug ID: 97132
Summary: assume_aligned is not constexpr
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libstdc++
in LTO streams
18 | }
| ^
0xc3d22c lto_write_tree
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200920/work/gcc-11-20200920/gcc/lto-streamer-out.c:554
0xc3d22c lto_output_tree_1
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200920/work/gcc-11-20200920/gcc/lto-streamer-out.c:5
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97134
Bug ID: 97134
Summary: partial specialization not more specialized when using
CNTTP
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Pr
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97117
Richard Biener changed:
What|Removed |Added
Component|other |testsuite
Target Milestone|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97127
Richard Biener changed:
What|Removed |Added
Target|i386,x86-64 |x86_64-*-* i?86-*-*
Keywords|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97129
Richard Biener changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97130
Richard Biener changed:
What|Removed |Added
Target Milestone|--- |11.0
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97131
Richard Biener changed:
What|Removed |Added
Target Milestone|--- |11.0
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