https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117785
--- Comment #18 from Hana Dusíková ---
(In reply to Jakub Jelinek from comment #16)
> So, the paper added also the new case to
> https://eel.is/c++draft/expr.const#10.27
> but
> https://eel.is/c++draft/expr.new#8.5
> has not been changed and sti
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117785
--- Comment #17 from Hana Dusíková ---
(In reply to Jakub Jelinek from comment #16)
> So, the paper added also the new case to
> https://eel.is/c++draft/expr.const#10.27
> but
> https://eel.is/c++draft/expr.new#8.5
> has not been changed and sti
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117785
--- Comment #12 from Hana Dusíková ---
I'm using [[gnu::used]] to emit constexpr symbol so it can be part of
compatible interface.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118903
--- Comment #2 from Hana Dusíková ---
https://compiler-explorer.com/z/58reoonEW
(trunk GCC 2ef2b206c4617abae60002280455f7175aaa6064)
```c++
#include
struct awaitable {
constexpr bool await_ready() {
return true;
}
void aw
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117785
Hana Dusíková changed:
What|Removed |Added
CC||hanicka at hanicka dot net
--- Comment
: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: hanicka at hanicka dot net
Target Milestone: ---
According
https://eel.is/c++draft/expr.const#10.23 "an await-expression ([expr.await]);"
await expression are n
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118237
--- Comment #1 from Hana Dusíková ---
Error I'm getting is:
```
:1:43: error: the value of '' is not usable in a constant
expression
1 | constexpr auto f = (delete new int{42}, 32);
| ^
:1:38:
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: hanicka at hanicka dot net
Target Milestone: ---
Hi,
I was looking into dynamic allocation tracking, and found simple
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117392
--- Comment #3 from Hana Dusíková ---
Thanks for the workaround!
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117392
--- Comment #1 from Hana Dusíková ---
Also it seems same error is there since GCC 11.
In GCC 10 it segfaults.
: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: hanicka at hanicka dot net
Target Milestone: ---
Link to code and comparison with clang:
https://compiler-explorer.com/z/zaqjYzfs4
In this a bit convoluted code I found while working on `P2781R4
std::constant_wrapper
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110367
Hana Dusíková changed:
What|Removed |Added
CC||hanicka at hanicka dot net
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112633
--- Comment #5 from Hana Dusíková ---
Thanks for really quick fix! You are awesome!
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: hanicka at hanicka dot net
Target Milestone: ---
Tested on GCC 14.0.0 20231119 (on Compiler-Explorer) and it's giving me ICE,
also on all 13.x versions (not 12.x)
```c++
template cons
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110380
Hana Dusíková changed:
What|Removed |Added
CC||hanicka at hanicka dot net
--- Comment
Severity: normal
Priority: P3
Component: libstdc++
Assignee: unassigned at gcc dot gnu.org
Reporter: hanicka at hanicka dot net
Target Milestone: ---
Bug in GCC 11.1-13 (including trunk)
https://compiler-explorer.com/z/EEjeaKfv7
I couldn't mini
++
Assignee: unassigned at gcc dot gnu.org
Reporter: hanicka at hanicka dot net
Target Milestone: ---
this error is in 11.0+ (including current trunk) and wasn't in gcc-10, the
compiler won't emit std::span::span symbol as it should
```
#include
struct byte_writer:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99637
--- Comment #2 from Hana Dusíková ---
I know this is not an argument but MSVC accepts this code, meanwhile I'm asking
Richard what to do about it.
y: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: hanicka at hanicka dot net
Target Milestone: ---
Standard states in https://eel.is/c++draft/bit.cast#2 "Padding bits of the
result are unspecified."
Current trunk GCC (11.0.1 20210316) gives error
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: hanicka at hanicka dot net
Target Milestone: ---
Hi found out std::source_location is returning different result in constexpr:
```
#include
template
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98805
--- Comment #1 from Hana Dusíková ---
I found out that build done on Catalina generates correct binary, which is able
to run on Big Sur without any problem.
++
Assignee: unassigned at gcc dot gnu.org
Reporter: hanicka at hanicka dot net
Target Milestone: ---
Any C++ code I try to compile with GCC 10.2.0 (homebrew package AND build from
source) aborts when exception is thrown even when the exception should caught.
This minimal example
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96742
Hana Dusíková changed:
What|Removed |Added
CC||hanicka at hanicka dot net
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93083
--- Comment #2 from Hana Dusíková ---
Same error is also triggered by template partial specialization:
```
template struct literal {
constexpr literal(const char (&input)[N]) noexcept { }
constexpr literal(const literal &) noexc
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81429
Hana Dusíková changed:
What|Removed |Added
CC||hanicka at hanicka dot net
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88820
--- Comment #9 from Hana Dusíková ---
You can have template deduction placeholder there in C++20.
https://wg21.link/p0732r2
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88820
--- Comment #4 from Hana Dusíková ---
The ICE will not happen if you comment out line 464 from first example.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88092
--- Comment #8 from Hana Dusíková ---
Please ignore two last comments, I sent them to wrong bug, it was supposed to
be for #88820.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88820
--- Comment #2 from Hana Dusíková ---
Created attachment 45422
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45422&action=edit
referencing subtype unable to deduce parent type
~/projekty/ice-gcc > g++-HEAD minimal.cpp -std=c++2a -DREFERE
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88092
--- Comment #7 from Hana Dusíková ---
If you compile it with:
g++-HEAD minimal.cpp -std=c++2a -DREFERENCE
=> correct
g++-HEAD minimal.cpp -std=c++2a -DAUTO
=> correct
g++-HEAD minimal.cpp -std=c++2a -DCNTTP
minimal.cpp: In member functio
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88820
--- Comment #1 from Hana Dusíková ---
I think I found a related problem. It's about deducting argument of a class
when instantiating subtype. I created a minimal case. I'm attaching.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88092
--- Comment #6 from Hana Dusíková ---
Created attachment 45421
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45421&action=edit
argument deduction of parent type
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: hanicka at hanicka dot net
Target Milestone: ---
Created attachment 45420
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45420&action=edit
one file with all includes i
: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: hanicka at hanicka dot net
Target Milestone: ---
Created attachment 45254
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45254&action=edit
parser error on line 12
Compiler should be able to parse attached co
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: hanicka at hanicka dot net
Target Milestone: ---
Created attachment 45253
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45253&action=edit
minimal example which will cra
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88092
--- Comment #5 from Hana Dusíková ---
So minimal example is:
template
struct S {
constexpr S(...) { }
};
template S(T) -> S;
template struct foo { };
template
void fn ()
{
auto t = s;
foo f1;
foo f2;
}
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88092
--- Comment #4 from Hana Dusíková ---
(In reply to Emmanuel Le Trong from comment #3)
> I have a problem with this. AFAIK, nowhere in the standard is written that a
> class template without argument (i.e. not a type!) can be used as the type
> of
IRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: hanicka at hanicka dot net
Target Milestone: ---
Created attachment 45035
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45035&action=edit
smal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: hanicka at hanicka dot net
Target Milestone: ---
Created attachment 45034
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45034&action=edit
minimal example (workaround
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