Override rustc version in ui and mir-opt tests to get stable hashes#92363

Merged

bors merged 2 commits intorust-lang:masterfrom the8472:less-compiletest-normalization

Jan 21, 2022

+94-124

Commits on Jan 20, 2022

Override rustc version in ui and mir-opt tests to get stable hashes
the8472
committed
use lazy_static to compile Regex::new instances once instead on each test
the8472
committed