Move to do/while loop to ensure optimized compilation.

Honor the comment in the loop, which was made stalled after:
https://android-review.googlesource.com/c/platform/art/+/1393188

Test: 638-checker-inline-cache-intrinsic
Bug: 112676029
Change-Id: I63e8c3e8e7a173e4f1bb5b1bfa3fbc46b13af0e7
1 file changed