[Issue 16274] The curses of debugging: short argument passed in 16-bit register, against ABI

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=16274

--- Comment #3 from Walter Bright <bugzilla at digitalmars.com> ---
gcc, however, does indeed set the upper 16 bits to zero. I suppose dmd should
behave the same way, regardless of the spec.

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