[Issue 6758] std.c.stdarg problems with 8 or more integer arguments on x86_64

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=6758



--- Comment #4 from Graham <grahamc001uk at yahoo.co.uk> 2011-10-02 15:59:44 PDT ---
Changing every .alignof to .sizeof in the stdarg module appears to be
sufficient to get this code to work in both D1 and D2. Whether this change is
strictly correct for all cases I do not know.

D2
druntime/import/core/stdc

diff stdarg.di.original stdarg.di
91c91
< auto p = cast(size_t)ap.stack_args + T.alignof - 1 & ~(T.alignof - 1);
---
> auto p = cast(size_t)ap.stack_args + T.sizeof - 1 & ~(T.sizeof - 1);
122c122
< auto p = cast(size_t)ap.stack_args + T.alignof - 1 & ~(T.alignof - 1);
---
> auto p = cast(size_t)ap.stack_args + T.sizeof - 1 & ~(T.sizeof - 1);

D1
src/phobos/std/c

diff stdarg.d.original stdarg.d
123c123
<                 auto p = (cast(size_t)ap.stack_args + T.alignof - 1) &
~(T.alignof - 1);
---
>                 auto p = (cast(size_t)ap.stack_args + T.sizeof - 1) & ~(T.sizeof - 1);
152c152
<                         auto p = (cast(size_t)ap.stack_args + T.alignof - 1)
& ~(T.alignof - 1);
---
>                         auto p = (cast(size_t)ap.stack_args + T.sizeof - 1) & ~(T.sizeof - 1);

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