91385d5776
Rollup of 7 pull requests Successful merges: - #100508 (avoid making substs of type aliases late bound when used as fn args) - #101381 (Test that target feature mix up with homogeneous floats is sound) - #103353 (Fix Access Violation when using lld & ThinLTO on windows-msvc) - #103521 (Avoid possible infinite loop when next_point reaching the end of file) - #103559 (first move on a nested span_label) - #103778 (Update several crates for improved support of the new targets) - #103827 (Properly remap and check for substs compatibility in `confirm_impl_trait_in_trait_candidate`) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
For high-level intro to how type checking works in rustc, see the type checking chapter of the rustc dev guide.