2021-05-04 Triage Log

Quiet week overall.

Triage done by @simulacrum. Revision range: 537544b1061467ee4b74ef7f552fab3d513e5caf..7a0f1781d04662041db5deaef89598a8edd53717

2 Regressions, 1 Improvements, 1 Mixed

Regressions

Revert PR 77885 everywhere #84708

• Moderate regression in instruction counts (up to 2.0% on incr-unchanged builds of cargo-check)

Update BARE_TRAIT_OBJECT and ELLIPSIS_INCLUSIVE_RANGE_PATTERNS to errors in Rust 2021 #83213

• Moderate regression in instruction counts (up to 3.0% on incr-unchanged builds of encoding-check)

Improvements

“const” initialized thread locals in rustc #84833

• Moderate improvement in instruction counts (up to -1.6% on incr-full builds of unused-warnings-check)

Mixed

Move HIR parenting information out of hir_owner #83114

• Large improvement in instruction counts (up to -5.0% on incr-patched: println builds of piston-image-check)
• Moderate regression in instruction counts (up to 2.2% on incr-unchanged builds of unused-warnings-check)

Nags requiring follow up

• None this week