Auto merge of #51334 - Mark-Simulacrum:rollup, r=Mark-Simulacrum
Rollup of 6 pull requests
Successful merges:
- #51288 (Remove rustdoc-specific is_import field from HIR)
- #51299 (const fn integer operations)
- #51317 (Allow enabling incremental via config.toml)
- #51323 (Generate br for all two target SwitchInts)
- #51326 (Various minor slice iterator cleanups)
- #51329 (Remove the unused `-Z trans-time-graph` flag.)
Failed merges: