std: Add syscall7 stub for Linux/MIPS

Some syscalls such as fadvise require an extra argument to comply with
the register pair alignment imposed by the ABI.

Wacky, isn't it?
867ae506e3LemonBoy committed on 3/19/2021, 8:03:55 PM· committed by Andrew Kelleyparent6528426
1 file changedLine totals unavailable