Match ergonomics 2024: Implement TC's match ergonomics proposal #127008

Jules-Bertholet · 2024-06-26T21:35:45Z

Under gate ref_pat_eat_one_layer_2024_structural. Enabling ref_pat_eat_one_layer_2024 at the same time allows the union of what the individual gates allow. @traviscross

r? @Nadrieril

cc #123076

@rustbot label A-edition-2024 A-patterns

Jules-Bertholet · 2024-06-26T22:54:44Z

It works on my machine?

compiler-errors · 2024-06-27T02:18:01Z

@Jules-Bertholet: That's a debug assertion. You need to add:

rust.debug = true

To your config.toml, since debug assertions are not enabled by default even for the "compiler" profile.

Under gate `ref_pat_eat_one_layer_2024_structural`. Enabling `ref_pat_eat_one_layer_2024` at the same time allows the union of what the individual gates allow.

compiler/rustc_feature/src/unstable.rs

Nadrieril · 2024-06-30T12:24:30Z

Looks good! Just one procedural nit and then you can merge

@bors delegate

Nadrieril · 2024-06-30T12:25:36Z

@bors delegate+

bors · 2024-06-30T12:25:39Z

✌️ @Jules-Bertholet, you can now approve this pull request!

If @Nadrieril told you to "r=me" after making some further change, please make that change, then do @bors r=@Nadrieril

Nadrieril · 2024-06-30T12:31:58Z

Forgot I can push that kind of change myself

Nadrieril · 2024-06-30T13:28:08Z

@bors r+

bors · 2024-06-30T13:28:10Z

📌 Commit e09815f has been approved by Nadrieril

It is now in the queue for this repository.

…rieril Match ergonomics 2024: Implement TC's match ergonomics proposal Under gate `ref_pat_eat_one_layer_2024_structural`. Enabling `ref_pat_eat_one_layer_2024` at the same time allows the union of what the individual gates allow. `@traviscross` r? `@Nadrieril` cc rust-lang#123076 `@rustbot` label A-edition-2024 A-patterns

bors · 2024-07-02T02:38:29Z

⌛ Testing commit e09815f with merge bda9808...

bors · 2024-07-02T02:42:05Z

💔 Test failed - checks-actions

rust-log-analyzer · 2024-07-02T02:44:18Z

A job failed! Check out the build log: (web) (plain)

Click to see the possible cause of the failure (guessed by this bot)

#14 0.799 #14 0.799 gzip: stdin: not in gzip format #14 0.800 tar: Child returned status 1 #14 0.800 tar: Error is not recoverable: exiting now #14 ERROR: process "/bin/sh -c env HOST_CFLAGS=\"-O -fcommon\" /tmp/build-netbsd-toolchain.sh" did not complete successfully: exit code: 2 > [6/8] RUN env HOST_CFLAGS="-O -fcommon" /tmp/build-netbsd-toolchain.sh: 0.034 + mkdir netbsd 100 245 100 245 0 0 324 0 --:--:-- --:--:-- --:--:-- 324 --- 11 | >>> RUN env HOST_CFLAGS="-O -fcommon" /tmp/build-netbsd-toolchain.sh 12 | 13 | COPY scripts/sccache.sh /scripts/ -------------------- ERROR: failed to solve: process "/bin/sh -c env HOST_CFLAGS=\"-O -fcommon\" /tmp/build-netbsd-toolchain.sh" did not complete successfully: exit code: 2 #0 building with "silly_edison" instance using docker-container driver #1 [internal] load build definition from Dockerfile #1 transferring dockerfile: 988B done --- #11 0.331 #11 0.331 gzip: stdin: not in gzip format #11 0.331 tar: Child returned status 1 #11 0.331 tar: Error is not recoverable: exiting now #11 ERROR: process "/bin/sh -c env HOST_CFLAGS=\"-O -fcommon\" /tmp/build-netbsd-toolchain.sh" did not complete successfully: exit code: 2 > [6/8] RUN env HOST_CFLAGS="-O -fcommon" /tmp/build-netbsd-toolchain.sh: 100 245 100 245 0 0 850 0 --:--:-- --:--:-- --:--:-- 847 0.331 --- 11 | >>> RUN env HOST_CFLAGS="-O -fcommon" /tmp/build-netbsd-toolchain.sh 12 | 13 | COPY scripts/sccache.sh /scripts/ -------------------- ERROR: failed to solve: process "/bin/sh -c env HOST_CFLAGS=\"-O -fcommon\" /tmp/build-netbsd-toolchain.sh" did not complete successfully: exit code: 2 #0 building with "silly_edison" instance using docker-container driver #1 [internal] load build definition from Dockerfile #1 transferring dockerfile: 988B done --- #11 0.445 #11 0.445 gzip: stdin: not in gzip format #11 0.445 tar: Child returned status 1 #11 0.445 tar: Error is not recoverable: exiting now #11 ERROR: process "/bin/sh -c env HOST_CFLAGS=\"-O -fcommon\" /tmp/build-netbsd-toolchain.sh" did not complete successfully: exit code: 2 > [6/8] RUN env HOST_CFLAGS="-O -fcommon" /tmp/build-netbsd-toolchain.sh: 100 245 100 245 0 0 607 0 --:--:-- --:--:-- --:--:-- 607 0.445 --- 11 | >>> RUN env HOST_CFLAGS="-O -fcommon" /tmp/build-netbsd-toolchain.sh 12 | 13 | COPY scripts/sccache.sh /scripts/ -------------------- ERROR: failed to solve: process "/bin/sh -c env HOST_CFLAGS=\"-O -fcommon\" /tmp/build-netbsd-toolchain.sh" did not complete successfully: exit code: 2 #0 building with "silly_edison" instance using docker-container driver #1 [internal] load build definition from Dockerfile #1 transferring dockerfile: 988B done --- #11 0.385 #11 0.385 gzip: stdin: not in gzip format #11 0.385 tar: Child returned status 1 #11 0.385 tar: Error is not recoverable: exiting now #11 ERROR: process "/bin/sh -c env HOST_CFLAGS=\"-O -fcommon\" /tmp/build-netbsd-toolchain.sh" did not complete successfully: exit code: 2 > [6/8] RUN env HOST_CFLAGS="-O -fcommon" /tmp/build-netbsd-toolchain.sh: 100 245 100 245 0 0 713 0 --:--:-- --:--:-- --:--:-- 714 0.385 --- 11 | >>> RUN env HOST_CFLAGS="-O -fcommon" /tmp/build-netbsd-toolchain.sh 12 | 13 | COPY scripts/sccache.sh /scripts/ -------------------- ERROR: failed to solve: process "/bin/sh -c env HOST_CFLAGS=\"-O -fcommon\" /tmp/build-netbsd-toolchain.sh" did not complete successfully: exit code: 2 #0 building with "silly_edison" instance using docker-container driver #1 [internal] load build definition from Dockerfile #1 transferring dockerfile: 988B done --- #11 0.326 #11 0.326 gzip: stdin: not in gzip format #11 0.326 tar: Child returned status 1 #11 0.327 tar: Error is not recoverable: exiting now #11 ERROR: process "/bin/sh -c env HOST_CFLAGS=\"-O -fcommon\" /tmp/build-netbsd-toolchain.sh" did not complete successfully: exit code: 2 > [6/8] RUN env HOST_CFLAGS="-O -fcommon" /tmp/build-netbsd-toolchain.sh: 100 245 100 245 0 0 857 0 --:--:-- --:--:-- --:--:-- 856 0.326 --- 11 | >>> RUN env HOST_CFLAGS="-O -fcommon" /tmp/build-netbsd-toolchain.sh 12 | 13 | COPY scripts/sccache.sh /scripts/ -------------------- ERROR: failed to solve: process "/bin/sh -c env HOST_CFLAGS=\"-O -fcommon\" /tmp/build-netbsd-toolchain.sh" did not complete successfully: exit code: 2 ##[error]Process completed with exit code 1. Post job cleanup.

compiler-errors · 2024-07-02T02:53:42Z

@bors retry

bors · 2024-07-02T02:58:33Z

⌛ Testing commit e09815f with merge e6da344...

…rieril Match ergonomics 2024: Implement TC's match ergonomics proposal Under gate `ref_pat_eat_one_layer_2024_structural`. Enabling `ref_pat_eat_one_layer_2024` at the same time allows the union of what the individual gates allow. `@traviscross` r? `@Nadrieril` cc rust-lang#123076 `@rustbot` label A-edition-2024 A-patterns

bors · 2024-07-02T03:01:42Z

💔 Test failed - checks-actions

compiler-errors · 2024-07-02T03:15:10Z

@bors retry

rust-log-analyzer · 2024-07-02T03:21:24Z

A job failed! Check out the build log: (web) (plain)

Click to see the possible cause of the failure (guessed by this bot)

#14 0.410 #14 0.410 gzip: stdin: not in gzip format #14 0.410 tar: Child returned status 1 #14 0.411 tar: Error is not recoverable: exiting now #14 ERROR: process "/bin/sh -c env HOST_CFLAGS=\"-O -fcommon\" /tmp/build-netbsd-toolchain.sh" did not complete successfully: exit code: 2 > [6/8] RUN env HOST_CFLAGS="-O -fcommon" /tmp/build-netbsd-toolchain.sh: 0.032 + mkdir netbsd 100 510 100 510 0 0 1379 0 --:--:-- --:--:-- --:--:-- 1382 --- 11 | >>> RUN env HOST_CFLAGS="-O -fcommon" /tmp/build-netbsd-toolchain.sh 12 | 13 | COPY scripts/sccache.sh /scripts/ -------------------- ERROR: failed to solve: process "/bin/sh -c env HOST_CFLAGS=\"-O -fcommon\" /tmp/build-netbsd-toolchain.sh" did not complete successfully: exit code: 2 #0 building with "affectionate_aryabhata" instance using docker-container driver #1 [internal] load build definition from Dockerfile #1 transferring dockerfile: 988B done --- #11 0.409 #11 0.409 gzip: stdin: not in gzip format #11 0.410 tar: Child returned status 1 #11 0.410 tar: Error is not recoverable: exiting now #11 ERROR: process "/bin/sh -c env HOST_CFLAGS=\"-O -fcommon\" /tmp/build-netbsd-toolchain.sh" did not complete successfully: exit code: 2 > [6/8] RUN env HOST_CFLAGS="-O -fcommon" /tmp/build-netbsd-toolchain.sh: 100 510 100 510 0 0 1378 0 --:--:-- --:--:-- --:--:-- 1374 0.409 --- 11 | >>> RUN env HOST_CFLAGS="-O -fcommon" /tmp/build-netbsd-toolchain.sh 12 | 13 | COPY scripts/sccache.sh /scripts/ -------------------- ERROR: failed to solve: process "/bin/sh -c env HOST_CFLAGS=\"-O -fcommon\" /tmp/build-netbsd-toolchain.sh" did not complete successfully: exit code: 2 #0 building with "affectionate_aryabhata" instance using docker-container driver #1 [internal] load build definition from Dockerfile #1 transferring dockerfile: 988B done --- #11 0.242 #11 0.242 gzip: stdin: not in gzip format #11 0.242 tar: Child returned status 1 #11 0.242 tar: Error is not recoverable: exiting now #11 ERROR: process "/bin/sh -c env HOST_CFLAGS=\"-O -fcommon\" /tmp/build-netbsd-toolchain.sh" did not complete successfully: exit code: 2 > [6/8] RUN env HOST_CFLAGS="-O -fcommon" /tmp/build-netbsd-toolchain.sh: 100 510 100 510 0 0 2540 0 --:--:-- --:--:-- --:--:-- 2550 0.242 --- 11 | >>> RUN env HOST_CFLAGS="-O -fcommon" /tmp/build-netbsd-toolchain.sh 12 | 13 | COPY scripts/sccache.sh /scripts/ -------------------- ERROR: failed to solve: process "/bin/sh -c env HOST_CFLAGS=\"-O -fcommon\" /tmp/build-netbsd-toolchain.sh" did not complete successfully: exit code: 2 #0 building with "affectionate_aryabhata" instance using docker-container driver #1 [internal] load build definition from Dockerfile #1 transferring dockerfile: 988B done --- #11 0.502 #11 0.502 gzip: stdin: not in gzip format #11 0.502 tar: Child returned status 1 #11 0.502 tar: Error is not recoverable: exiting now #11 ERROR: process "/bin/sh -c env HOST_CFLAGS=\"-O -fcommon\" /tmp/build-netbsd-toolchain.sh" did not complete successfully: exit code: 2 > [6/8] RUN env HOST_CFLAGS="-O -fcommon" /tmp/build-netbsd-toolchain.sh: 100 510 100 510 0 0 1102 0 --:--:-- --:--:-- --:--:-- 1103 0.502 --- 11 | >>> RUN env HOST_CFLAGS="-O -fcommon" /tmp/build-netbsd-toolchain.sh 12 | 13 | COPY scripts/sccache.sh /scripts/ -------------------- ERROR: failed to solve: process "/bin/sh -c env HOST_CFLAGS=\"-O -fcommon\" /tmp/build-netbsd-toolchain.sh" did not complete successfully: exit code: 2 #0 building with "affectionate_aryabhata" instance using docker-container driver #1 [internal] load build definition from Dockerfile #1 transferring dockerfile: 988B done --- #11 0.423 #11 0.423 gzip: stdin: not in gzip format #11 0.423 tar: Child returned status 1 #11 0.423 tar: Error is not recoverable: exiting now #11 ERROR: process "/bin/sh -c env HOST_CFLAGS=\"-O -fcommon\" /tmp/build-netbsd-toolchain.sh" did not complete successfully: exit code: 2 > [6/8] RUN env HOST_CFLAGS="-O -fcommon" /tmp/build-netbsd-toolchain.sh: - --:--:-- 1338 0.423 0.423 gzip: stdin: not in gzip format --- 11 | >>> RUN env HOST_CFLAGS="-O -fcommon" /tmp/build-netbsd-toolchain.sh 12 | 13 | COPY scripts/sccache.sh /scripts/ -------------------- ERROR: failed to solve: process "/bin/sh -c env HOST_CFLAGS=\"-O -fcommon\" /tmp/build-netbsd-toolchain.sh" did not complete successfully: exit code: 2 ##[error]Process completed with exit code 1. Post job cleanup.

Nadrieril · 2024-07-03T06:26:20Z

@bors retry

Nadrieril · 2024-07-03T18:16:27Z

@bors retry

Nadrieril · 2024-07-03T18:19:01Z

Oh it's in the queue. I got confused by out-of-order messages

traviscross

Looking at the tests that changed here, this looks right to me.

tests/ui/match/ref_pat_eat_one_layer_2024/ref_pat_eat_one_layer_2024_fail.rs

matthiaskrgr · 2024-07-05T06:43:54Z

@bors rollup=iffy in case of weird perf results

bors · 2024-07-05T09:10:20Z

⌛ Testing commit e09815f with merge 2ad6630...

bors · 2024-07-05T11:31:33Z

☀️ Test successful - checks-actions
Approved by: Nadrieril
Pushing 2ad6630 to master...

rust-timer · 2024-07-05T12:45:54Z

Finished benchmarking commit (2ad6630): comparison URL.

Overall result: ✅ improvements - no action needed

@rustbot label: -perf-regression

Instruction count

This is a highly reliable metric that was used to determine the overall result at the top of this comment.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-0.2%	[-0.3%, -0.2%]	3
All ❌✅ (primary)	-	-	0

Max RSS (memory usage)

Results (primary 2.4%, secondary 1.5%)

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)	2.4%	[1.0%, 4.4%]	5
Regressions ❌ (secondary)	1.5%	[0.5%, 2.6%]	7
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	2.4%	[1.0%, 4.4%]	5

Cycles

Results (secondary 1.0%)

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)	1.0%	[0.4%, 2.5%]	4
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	-	-	0

Binary size

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

Bootstrap: 698.63s -> 698.523s (-0.02%)
Artifact size: 328.27 MiB -> 328.26 MiB (-0.00%)

rustbot assigned Nadrieril Jun 26, 2024

Jules-Bertholet mentioned this pull request Jun 26, 2024

Tracking Issue for match ergonomics 2024 (RFC 3627) #123076

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Jules-Bertholet added 2 commits June 27, 2024 00:12

Implement TC's match ergonomics 2024 proposal

372847d

Under gate `ref_pat_eat_one_layer_2024_structural`. Enabling `ref_pat_eat_one_layer_2024` at the same time allows the union of what the individual gates allow.

Fix tidy

35f6b7b

Jules-Bertholet force-pushed the tc-ergonomics branch from f6af9e2 to 35f6b7b Compare June 27, 2024 04:15

Nadrieril reviewed Jun 30, 2024

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compiler/rustc_feature/src/unstable.rs Outdated Show resolved Hide resolved

New features gates mustn't specify a version by hand

e09815f

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 Jun 30, 2024

bors added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels Jul 2, 2024

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 Jul 2, 2024

bors added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels Jul 2, 2024

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 Jul 2, 2024

traviscross approved these changes Jul 3, 2024

View reviewed changes

tests/ui/match/ref_pat_eat_one_layer_2024/ref_pat_eat_one_layer_2024_fail.rs Show resolved Hide resolved

bors added the merged-by-bors This PR was explicitly merged by bors. label Jul 5, 2024

bors merged commit 2ad6630 into rust-lang:master Jul 5, 2024

rustbot added this to the 1.81.0 milestone Jul 5, 2024

bors mentioned this pull request Jul 5, 2024

Make inline suggestions no longer be the default #127282

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Jules-Bertholet deleted the tc-ergonomics branch July 5, 2024 13:03

Shunpoco mentioned this pull request Feb 1, 2025

Add a comment pointing to ICE-136223 #136397

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Match ergonomics 2024: Implement TC's match ergonomics proposal #127008

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