Auto merge of #137502 - compiler-errors:global-asm-aint-mir-body, r=oli-obk

Don't include global asm in `mir_keys`, fix error body synthesis

r? oli-obk

Fixes #137470
Fixes #137471
Fixes #137472
Fixes #137473

try-job: test-various
try-job: x86_64-apple-2