https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103295
--- Comment #22 from CVS Commits ---
The releases/gcc-12 branch has been updated by Jonathan Wakely
:
https://gcc.gnu.org/g:a088d93c210f9b662d706e2fcf63a59d05fe27c1
commit r12-8908-ga088d93c210f9b662d706e2fcf63a59d05fe27c1
Author: Nathaniel Sh
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103295
--- Comment #21 from CVS Commits ---
The master branch has been updated by Jonathan Wakely :
https://gcc.gnu.org/g:52672be7d328df50f9a05ce3ab44ebcae50fee1b
commit r13-3910-g52672be7d328df50f9a05ce3ab44ebcae50fee1b
Author: Nathaniel Shead
Date
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103295
Jonathan Wakely changed:
What|Removed |Added
Resolution|--- |FIXED
Target Milestone|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103295
--- Comment #19 from CVS Commits ---
The master branch has been updated by Jonathan Wakely :
https://gcc.gnu.org/g:1f8d01eb1476a997eb1fc686b60fccdf97747faa
commit r12-5421-g1f8d01eb1476a997eb1fc686b60fccdf97747faa
Author: Jonathan Wakely
Date
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103295
--- Comment #18 from Jonathan Wakely ---
There's still one more fix needed for _M_construct
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103295
--- Comment #17 from CVS Commits ---
The master branch has been updated by Jonathan Wakely :
https://gcc.gnu.org/g:2d76292bd6719d687bc77051da265df8ed7f5a61
commit r12-5413-g2d76292bd6719d687bc77051da265df8ed7f5a61
Author: Jonathan Wakely
Date
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103295
Richard Biener changed:
What|Removed |Added
Target Milestone|12.0|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103295
--- Comment #16 from cqwrteur ---
(In reply to Jonathan Wakely from comment #15)
> Reopened :-(
>
> I have a patch to make clang happy, but I think what we really want is a
> language change.
hi jwakely. i am trying to add a new patch to ignor
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103295
Jonathan Wakely changed:
What|Removed |Added
Resolution|FIXED |---
Status|RESOLVED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103295
Jonathan Wakely changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103295
--- Comment #13 from CVS Commits ---
The master branch has been updated by Jonathan Wakely :
https://gcc.gnu.org/g:6afa1083c6ee7b31629fb0c16299b952cb17868c
commit r12-5343-g6afa1083c6ee7b31629fb0c16299b952cb17868c
Author: Jonathan Wakely
Date
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103295
--- Comment #12 from Jonathan Wakely ---
But even with those problems fixed, Clang fails for anything that doesn't fit
in the SSO buffer, as shown by this:
#include
constexpr char test()
{
char* p = std::allocator().allocate(2);
p[0] = '
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103295
--- Comment #11 from Jonathan Wakely ---
(In reply to Jonathan Wakely from comment #7)
> It just doesn't allow assignment through the pointer.
I think that's correct according to [class.union.general] p6:
"When the left operand of an assignmen
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103295
--- Comment #10 from Jonathan Wakely ---
(Do you really need to quote the whole of comment 9 to reply to comment 8?)
You can't, it's not freely available.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103295
--- Comment #9 from cqwrteur ---
(In reply to Jonathan Wakely from comment #8)
> Which means this is enough to make Clang happy for the comment 0 example:
>
> --- a/libstdc++-v3/include/bits/basic_string.tcc
> +++ b/libstdc++-v3/include/bits/ba
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103295
--- Comment #8 from Jonathan Wakely ---
Which means this is enough to make Clang happy for the comment 0 example:
--- a/libstdc++-v3/include/bits/basic_string.tcc
+++ b/libstdc++-v3/include/bits/basic_string.tcc
@@ -167,6 +167,11 @@ _GLIBCXX_BE
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103295
--- Comment #7 from Jonathan Wakely ---
The code can be reduced to this, which GCC, EDG and MSVC all accept, but Clang
doesn't:
struct S
{
union {
char buf[8];
char* ptr;
};
unsigned len;
constexpr S(const char* s, unsigned n)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103295
Jonathan Wakely changed:
What|Removed |Added
Target Milestone|--- |12.0
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103295
Jonathan Wakely changed:
What|Removed |Added
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103295
--- Comment #5 from cqwrteur ---
(In reply to Andrew Pinski from comment #3)
> This could be an unimplemented feature in clang with respect to C++23 by the
> way.
The problem is that it has a silent undefined behavior in the code, the string
do
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103295
--- Comment #4 from cqwrteur ---
(In reply to Andrew Pinski from comment #3)
> This could be an unimplemented feature in clang with respect to C++23 by the
> way.
Same code works with clang --target=x86_64-windows-msvc.
D:\hg\fast_io\tests\000
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103295
--- Comment #3 from Andrew Pinski ---
This could be an unimplemented feature in clang with respect to C++23 by the
way.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103295
--- Comment #2 from cqwrteur ---
*** Bug 103294 has been marked as a duplicate of this bug. ***
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103295
cqwrteur changed:
What|Removed |Added
CC||unlvsur at live dot com
--- Comment #1 from
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