[llvm-branch-commits] LowerTypeTests: Shrink check size by 1 instruction on x86. (PR #142887)

[Peter Collingbourne via llvm-branch-commits]

pcc wrote:

> Could we have a test that demonstrates the new better instruction sequence (by precommiting to show the diff here)?

Done, see #143189

https://github.com/llvm/llvm-project/pull/142887