Rollup of 11 pull requests
Successful merges:
- #55490 (resolve: Fix ICE in macro import error recovery)
- #55597 (std: Enable usage of `thread_local!` through imports)
- #55601 (Fix tracking issue numbers for some unstable features)
- #55621 (Add precision for create_dir function)
- #55644 (ci: Add Dockerfile for dist-powerpcspe-linux)
- #55664 (Make "all possible cases" help message uniform with existing help messages)
- #55689 (miri: binary_op_val -> binary_op_imm)
- #55694 (Fixes #31076)
- #55696 (NLL Diagnostic Review 3: Missing errors for borrows of union fields)
- #55700 (Update ui tests with respect to NLL)
- #55703 (Update `configure --help` (via configure.py) to reflect decoupling of debug+optimize)