[Bug target/68273] [5/6 Regression] Wrong code on mips/mipsel due to (invalid?) peeking at alignments in function_arg.

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68273

--- Comment #21 from Richard Biener <rguenth at gcc dot gnu.org> ---
Testcase fixed.  Leaving it open though as the ABI issue in the target is still
present.