Auto merge of #111495 - Kobzol:dist-tests, r=Mark-Simulacrum

Run tests on PGO/LTO/BOLT optimized dist artifacts

This PR adds baisc tests for the optimized dist builds on x64 Linux and Windows. A subset of the test suite is run, so it's not perfect, but it's better than the status quo (which is basically no testing at all, apart from the perf bot on Linux).

r? `@ghost`

Author: bors