[Issue 23081] New: align(N) attribute ignored for ClassDeclarations
d-bugmail at puremagic.com
d-bugmail at puremagic.com
Mon May 2 19:38:37 UTC 2022
https://issues.dlang.org/show_bug.cgi?id=23081
Issue ID: 23081
Summary: align(N) attribute ignored for ClassDeclarations
Product: D
Version: D2
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P1
Component: dmd
Assignee: nobody at puremagic.com
Reporter: kinke at gmx.net
`align(N) class C {}` has no effect at all. I'd expect the following behavior:
```
align(64) class AlignedClass { int field; }
static assert(AlignedClass.field.offsetof == 2 * size_t.sizeof); // vtbl,
monitor
static assert(__traits(classInstanceAlignment, AlignedClass) == 64);
static assert(__traits(classInstanceSize, AlignedClass) == 2 * size_t.sizeof +
4);
```
See https://github.com/dlang/dmd/pull/14063#issuecomment-1115059532 for an
implementation idea.
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