[Bug target/92287] Mismatches in the calling convention for zero sized types

[jozefl.gcc at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92287

Jozef Lawrynowicz <jozefl.gcc at gmail dot com> changed:

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                 CC|                            |jozefl.gcc at gmail dot com

--- Comment #1 from Jozef Lawrynowicz <jozefl.gcc at gmail dot com> ---
I can only speak for msp430, but there's no problem with that generated
assembly. Structures and unions are always passed by reference.

R12:R15 are the argument registers, and the return value starts in R12.