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Build a better MIR body when errors are encountered #117418

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merged 1 commit into from
Nov 7, 2023
Merged

Build a better MIR body when errors are encountered #117418

merged 1 commit into from
Nov 7, 2023

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@compiler-errors compiler-errors commented Oct 30, 2023 •
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Doesn't really have much of an effect on its own, but it does lead to a less confusing phony MIR body being generated when an error is detected during THIR/MIR/match building. This was quite confusing when I hacked -Zunpretty=mir to emit mir_built rather than instance_mir.

This coincidentually also fixes #117413, but not as generally as #117416.

cc @Nadrieril

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rustbot commented Oct 30, 2023

r? @b-naber

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@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Oct 30, 2023
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oli-obk commented Oct 31, 2023

@bors r+ rollup

A bit sad about the duplication of logic with the success paths, but I couldn't figure out something better that isn't a major refactoring with dubious benefit.

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bors commented Oct 31, 2023

📌 Commit bef3234 has been approved by oli-obk

It is now in the queue for this repository.

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Oct 31, 2023
matthiaskrgr added a commit to matthiaskrgr/rust that referenced this pull request Oct 31, 2023
@matthiaskrgr
Rollup merge of rust-lang#117418 - compiler-errors:better_error_body,…
8715479 
… r=oli-obk

Build a better MIR body when errors are encountered

Doesn't really have much of an effect on its own, but it does lead to a less confusing phony MIR body being generated when an error is detected during THIR/MIR/match building. This was quite confusing when I hacked `-Zunpretty=mir` to emit `mir_built` rather than `instance_mir`.

This coincidentually also fixes rust-lang#117413, but not as generally as rust-lang#117416.

cc `@Nadrieril`
@matthiaskrgr matthiaskrgr mentioned this pull request Oct 31, 2023
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@bors r-
#117442 (comment)

@bors bors added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels Oct 31, 2023
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bors commented Nov 6, 2023

📌 Commit 5a9f07c has been approved by oli-obk

It is now in the queue for this repository.

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Nov 6, 2023
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bors commented Nov 7, 2023

⌛ Testing commit 5a9f07c with merge 504f63e...

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bors commented Nov 7, 2023

☀️ Test successful - checks-actions
Approved by: oli-obk
Pushing 504f63e to master...

@bors bors added the merged-by-bors This PR was explicitly merged by bors. label Nov 7, 2023
@bors bors merged commit 504f63e into rust-lang:master Nov 7, 2023
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@rustbot rustbot added this to the 1.75.0 milestone Nov 7, 2023
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Finished benchmarking commit (504f63e): comparison URL.

Overall result: no relevant changes - no action needed

@rustbot label: -perf-regression

Instruction count

This benchmark run did not return any relevant results for this metric.

Max RSS (memory usage)

Results

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

mean range count
Regressions ❌
(primary)		 - - 0
Regressions ❌
(secondary)		 1.6% [0.6%, 2.7%] 2
Improvements ✅
(primary)		 -0.9% [-1.0%, -0.6%] 3
Improvements ✅
(secondary)		 -3.7% [-3.7%, -3.7%] 1
All ❌✅ (primary) -0.9% [-1.0%, -0.6%] 3

Cycles

Results

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

mean range count
Regressions ❌
(primary)		 - - 0
Regressions ❌
(secondary)		 2.4% [2.4%, 2.4%] 1
Improvements ✅
(primary)		 -0.5% [-0.5%, -0.5%] 2
Improvements ✅
(secondary)		 -2.2% [-3.3%, -0.8%] 4
All ❌✅ (primary) -0.5% [-0.5%, -0.5%] 2

Binary size

Results

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

mean range count
Regressions ❌
(primary)		 0.0% [0.0%, 0.0%] 8
Regressions ❌
(secondary)		 0.0% [0.0%, 0.0%] 7
Improvements ✅
(primary)		 - - 0
Improvements ✅
(secondary)		 - - 0
All ❌✅ (primary) 0.0% [0.0%, 0.0%] 8

Bootstrap: 663.851s -> 662.279s (-0.24%)
Artifact size: 309.01 MiB -> 308.97 MiB (-0.01%)

This was referenced Nov 7, 2023
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@bvanjoi bvanjoi mentioned this pull request Nov 13, 2023
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@matthiaskrgr matthiaskrgr mentioned this pull request Nov 13, 2023
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@wesleywiser wesleywiser mentioned this pull request Nov 15, 2023
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@matthiaskrgr matthiaskrgr mentioned this pull request Dec 16, 2023
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bors added a commit to rust-lang-ci/rust that referenced this pull request Dec 17, 2023
@bors
Auto merge of rust-lang#117884 - bvanjoi:fix-117794, r=compiler-errors
d14e52b 
skip rpit constraint checker if borrowck return type error

Fixes rust-lang#117794
Fixes rust-lang#117886
Fixes rust-lang#119025

Prior to change rust-lang#117418, the value of `concrete_opaque_types` for `mir_borrock(T::a::opaque)` was `None`. However, due to modifications in `body.local_decls`, the return value had been changed.

The changed of `body.local_decls` has let to the addition of `ty:Error` to `infcx.opaque_type_storage.opaque_types` during `TypeChecker::equate_inputs_and_outputs`. This is due to it utilizing the output of a function signature that was appended during `construct_error`(which previously only appended a `ty::Error`) and then execute `TypeChecker::Related_types`.

Therefore, in this PR, I've implemented a condition to bypass the rpit check when an error is encountered.

r? `@compiler-errors`
@jhpratt jhpratt mentioned this pull request Dec 24, 2023
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@compiler-errors compiler-errors mentioned this pull request Feb 6, 2024
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celinval added a commit to celinval/rust-dev that referenced this pull request Jun 4, 2024
@github-actions @celinval @zhassan-aws
Automatic toolchain upgrade to nightly-2023-11-08 (rust-lang#2866)
70a7c6b 
Update Rust toolchain from nightly-2023-11-07 to nightly-2023-11-08
without any other source changes.
This is an automatically generated pull request. If any of the CI checks
fail, manual intervention is required. In such a case, review the
changes at https://github.com/rust-lang/rust from
rust-lang@189d6c7
up to
rust-lang@7adc89b.
The log for this commit range is:
rust-lang@7adc89b69b Auto merge of
rust-lang#117680 - matthiaskrgr:rollup-kgaa4ma, r=matthiaskrgr
rust-lang@518fe492f1 Rollup merge of
rust-lang#117675 - zmodem:vectorize_h, r=durin42
rust-lang@f6f6fd1d1a Rollup merge of
rust-lang#117639 - rustbot:docs-update, r=ehuss
rust-lang@f8c67704f2 Rollup merge of
rust-lang#117616 - RalfJung:unstable-target-features, r=compiler-errors
rust-lang@cd5b5e08fe Rollup merge of
rust-lang#115485 - DaniPopes:rustdoc-macro-consts, r=jackh726,fmease
rust-lang@118a2deea5 Auto merge of
rust-lang#117617 - Urgau:bump-libc-0.2.150, r=Mark-Simulacrum
rust-lang@84abf837b8 manually bless a
wasm-only test
rust-lang@752a6132e5 llvm-wrapper: Remove
include of non-existant Vectorize.h
rust-lang@9bd71afb90 Auto merge of
rust-lang#115904 - notriddle:notriddle/preload-bold, r=GuillaumeGomez
rust-lang@187d1afa9d Auto merge of
rust-lang#117297 - clubby789:fn-trait-missing-paren, r=TaKO8Ki
rust-lang@61a3eea804 Auto merge of
rust-lang#117229 - matthewjasper:thir-unsafeck-fixes, r=cjgillot
rust-lang@114f1f6838 Auto merge of
rust-lang#117610 - compiler-errors:object-hmm, r=aliemjay
rust-lang@504f63efb0 Auto merge of
rust-lang#117418 - compiler-errors:better_error_body, r=oli-obk
rust-lang@4e0fb98a5c Auto merge of
rust-lang#117006 - estebank:issue-69512, r=compiler-errors
rust-lang@f926031ea5 When not finding
assoc fn on type, look for builder fn
rust-lang@7b97a5ca84 Auto merge of
rust-lang#117511 - gurry:117406-err-packed-structs, r=compiler-errors
rust-lang@5a9f07cc97 Build a better MIR
body when errors are encountered
rust-lang@171d5587ca Don't instantiate
the binder twice when assembling object candidate
rust-lang@24e14dd8b4 Only check
predicates for late-bound non-lifetime vars in object candidate assembly
rust-lang@bf65e3bddb Update books
rust-lang@868de8e76b Visit patterns in
THIR let expressions
rust-lang@2b59992736 Add suggestion to
THIR unsafe_op_in_unsafe_fn lint
rust-lang@2b2c0f9886 Allow tests with
rust-rustfix and revisions
rust-lang@931692fa13 Recognise thread
local statics in THIR unsafeck
rust-lang@b85c6835d0 warn when using an
unstable feature with -Ctarget-feature
rust-lang@15719a8c1d libc: bump
dependency to 0.2.150
rust-lang@4b3ece475d Emit explanatory
note for move errors in packed struct derives
rust-lang@904aceec7d Give a better
diagnostic for missing parens in Fn* bounds
rust-lang@2b858b7eb8 Format macro const
literals with pretty printer
rust-lang@2a92981301 rustdoc: stop
preloading Source Serif 4 Bold

Co-authored-by: celinval <celinval@users.noreply.github.com>
Co-authored-by: Zyad Hassan <88045115+zhassan-aws@users.noreply.github.com>
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TAIT: empty match on TAIT confuses typeck
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