https://bugs.kde.org/show_bug.cgi?id=433859
Paul Floyd changed:
What|Removed |Added
Resolution|--- |FIXED
Status|REPORTED
https://bugs.kde.org/show_bug.cgi?id=433859
Paul Floyd changed:
What|Removed |Added
Attachment #158590|0 |1
is obsolete||
https://bugs.kde.org/show_bug.cgi?id=433859
Paul Floyd changed:
What|Removed |Added
Attachment #157936|0 |1
is obsolete||
https://bugs.kde.org/show_bug.cgi?id=433859
--- Comment #13 from Paul Floyd ---
I need to make sure that I didn't make the same error here as I did with
realloc size zero (I suspect so).
Will double check and add some tests.
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--- Comment #12 from Paul Floyd ---
Created attachment 158590
--> https://bugs.kde.org/attachment.cgi?id=158590&action=edit
Big patch for lots of aligned / sized alloc errors
Use memcheck.h for internal use user req. Had problems including it previou
https://bugs.kde.org/show_bug.cgi?id=433859
Sam James changed:
What|Removed |Added
CC||s...@gentoo.org
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Paul Floyd changed:
What|Removed |Added
Attachment #157921|0 |1
is obsolete||
https://bugs.kde.org/show_bug.cgi?id=433859
--- Comment #11 from Paul Floyd ---
Created attachment 157936
--> https://bugs.kde.org/attachment.cgi?id=157936&action=edit
Big patch for lots of aligned / sized alloc errors
Last macOS and doc changes
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Paul Floyd changed:
What|Removed |Added
Attachment #157920|0 |1
is obsolete||
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--- Comment #10 from Paul Floyd ---
Created attachment 157921
--> https://bugs.kde.org/attachment.cgi?id=157921&action=edit
Big patch for lots of aligned / sized alloc errors
Fixes for macOS
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Paul Floyd changed:
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Attachment #157739|0 |1
is obsolete||
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--- Comment #8 from Paul Floyd ---
So far I've done basic testing on FreeBSD amd64, FreeBSD x86, Linux glibx
amd64, Linux musl amd64 and Illumos. I'll have a go with older Solaris and
macOS at a later date.
A few todos:
Updated the documentation.
Figur
https://bugs.kde.org/show_bug.cgi?id=433859
--- Comment #7 from Paul Floyd ---
Created attachment 157739
--> https://bugs.kde.org/attachment.cgi?id=157739&action=edit
Big patch for lots of aligned / sized alloc errors
This also covers
https://bugs.kde.org/show_bug.cgi?id=433859
https://bugs.k
https://bugs.kde.org/show_bug.cgi?id=433859
--- Comment #6 from Paul Floyd ---
The wrappers used for new / delete operators now takes the size and alignment
and will generate warnings if they are uninit.
The nothrow tag gets ignored - it's only there for overload resolution.
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--- Comment #5 from Paul Floyd ---
MyClass* myClass = (MyClass *)operator new(sizeof(MyClass),
std::align_val_t(67U));
with libstdc++
> 122if (__builtin_expect (!std::__has_single_bit(align), false)) │
│ 123 _GLIBCXX_THROW_OR
https://bugs.kde.org/show_bug.cgi?id=433859
--- Comment #4 from Paul Floyd ---
foo.cpp:5:19: error: requested alignment '67' is not a positive power of 2
5 | class alignas(67) MyClass {
| ^~~
A bit of a fight to get the compiler to do the wrong thing.
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--- Comment #3 from Paul Floyd ---
For libstdc++ look in
ibstdc++-v3/libsupc++/new_opa.cc
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--- Comment #2 from Paul Floyd ---
For the C++ aligned allocators libc++ bumps up the allocation size if it is
less than sizeof(void*) and then uses posix_memalign
libstdc++ does a popcnt (!!!) to check for power of 2 then calls aligned_alloc
(actually
https://bugs.kde.org/show_bug.cgi?id=433859
--- Comment #1 from Paul Floyd ---
I also recently noticed that C23 will probably add new versions of free
(free_sized and free_aligned_sized but no free_aligned).
As I see it, these are both optional and a conforming implementation can just
call free.
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Paul Floyd changed:
What|Removed |Added
Assignee|jsew...@acm.org |pjfl...@wanadoo.fr
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Paul Floyd changed:
What|Removed |Added
Summary|Add mismatched detection to |Add mismatched detection to
|C++
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