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bors 7349f6b503 Auto merge of #135057 - compiler-errors:project-unconstrained, r=oli-obk 
Project to `TyKind::Error` when there are unconstrained non-lifetime (ty/const) impl params

It splits the `enforce_impl_params_are_constrained` function into lifetime/non-lifetime, and queryfies the latter. We can then use the result of the latter query (`Result<(), ErrorGuaranteed>`) to intercept projection and constrain the projected type to `TyKind::Error`, which ensures that we leak no ty or const vars to places that don't expect them, like `normalize_erasing_regions`.

The reason we split `enforce_impl_params_are_constrained` into two parts is because we only error for *lifetimes* if the lifetime ends up showing up in any of the associated types of the impl (e.g. we allow `impl<'a> Foo { type Assoc = (); }`). However, in order to compute the `type_of` query for the anonymous associated type of an RPITIT, we need to do trait solving (in `query collect_return_position_impl_trait_in_trait_tys`). That would induce cycles. Luckily, it turns out for lifetimes we don't even care about if they're unconstrained, since they're erased in all contexts that we are trying to fix ICEs. So it's sufficient to keep this check separated out of the query.

I think this is a bit less invasive of an approach compared to #127973. The major difference between this PR and that PR is that we queryify the check instead of merging it into the `explicit_predicates_of` query, and we use the result to taint just projection goals, rather than trait goals too. This doesn't require a lot of new tracking in `ItemCtxt` and `GenericPredicates`, and it also seems to not require any other changes to typeck like that PR did.

Fixes #123141
Fixes #125874
Fixes #126942
Fixes #127804
Fixes #130967

r? oli-obk
2025-01-04 04:35:55 +00:00
..
auxiliary crashes: more tests 2024-12-12 22:09:39 +01:00
34127.rs Fix tests that rely on LLVM IR verification 2024-11-29 19:11:34 +01:00
54888.rs add .rs crashes from https://github.com/rust-lang/glacier 2024-04-14 11:18:23 +02:00
57276.rs add .rs crashes from https://github.com/rust-lang/glacier 2024-04-14 11:18:23 +02:00
74451.rs add .rs crashes from https://github.com/rust-lang/glacier 2024-04-14 11:18:23 +02:00
79409.rs add .rs crashes from https://github.com/rust-lang/glacier 2024-04-14 11:18:23 +02:00
79590.rs add .rs crashes from https://github.com/rust-lang/glacier 2024-04-14 11:18:23 +02:00
87577.rs add .rs crashes from https://github.com/rust-lang/glacier 2024-04-14 11:18:23 +02:00
88296.rs add .rs crashes from https://github.com/rust-lang/glacier 2024-04-14 11:18:23 +02:00
90110.rs add .rs crashes from https://github.com/rust-lang/glacier 2024-04-14 11:18:23 +02:00
91985.rs add .rs crashes from https://github.com/rust-lang/glacier 2024-04-14 11:18:23 +02:00
92004.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
92470.rs crashes: add more tests 2024-04-26 17:20:16 +02:00
93182.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
93237.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
94846.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
95134.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
96304.rs add .rs crashes from https://github.com/rust-lang/glacier 2024-04-14 11:18:23 +02:00
98322.rs add .rs crashes from https://github.com/rust-lang/glacier 2024-04-14 11:18:23 +02:00
100041.rs add .rs crashes from https://github.com/rust-lang/glacier 2024-04-14 11:18:23 +02:00
100618.rs crashes: add a couple more tests 2024-04-18 18:55:20 +02:00
101036.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
101557.rs crashes: fix ice detection which did not trigger if code compiled without error by accident 2024-04-14 11:21:58 +02:00
102047.rs add .rs crashes from https://github.com/rust-lang/glacier 2024-04-14 11:18:23 +02:00
102252.rs add .rs crashes from https://github.com/rust-lang/glacier 2024-04-14 11:18:23 +02:00
103708.rs add more known-crashes tests 2024-04-19 23:09:37 +02:00
103899.rs add .rs crashes from https://github.com/rust-lang/glacier 2024-04-14 11:18:23 +02:00
104685.rs add more known-crashes tests 2024-04-19 23:09:37 +02:00
105238-1.rs add .rs crashes from https://github.com/rust-lang/glacier 2024-04-14 11:18:23 +02:00
105238-2.rs add .rs crashes from https://github.com/rust-lang/glacier 2024-04-14 11:18:23 +02:00
105275.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
105299.rs crashes: add a couple more tests 2024-04-18 18:55:20 +02:00
105937.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
106473.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
107362.rs crashes: add a couple more tests 2024-04-18 18:55:20 +02:00
108499.rs crashes: add a couple more tests 2024-04-18 18:55:20 +02:00
108814.rs add .rs crashes from https://github.com/rust-lang/glacier 2024-04-14 11:18:23 +02:00
110378.rs add .rs crashes from https://github.com/rust-lang/glacier 2024-04-14 11:18:23 +02:00
110534.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
110627.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
111419.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
111709-2.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
111709.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
111742.rs add .rs crashes from https://github.com/rust-lang/glacier 2024-04-14 11:18:23 +02:00
112201.rs add .rs crashes from https://github.com/rust-lang/glacier 2024-04-14 11:18:23 +02:00
113379.rs add .rs crashes from https://github.com/rust-lang/glacier 2024-04-14 11:18:23 +02:00
113846.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
114198-2.rs crashes: add even more tests?!? 2024-04-18 06:13:47 +02:00
114198.rs crashes: add even more tests?!? 2024-04-18 06:13:47 +02:00
114212-2.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
114212.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
114317.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
114484.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
114663.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
114920.rs crashes: add a couple more tests 2024-04-18 18:55:20 +02:00
115435.rs crashes: fix ice detection which did not trigger if code compiled without error by accident 2024-04-14 11:21:58 +02:00
115994.rs add more known-crashes tests 2024-04-19 23:09:37 +02:00
116519-2.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
116519.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
116554.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
116947.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
116979.rs add some debug-assertion crash tests 2024-12-08 14:17:25 +01:00
117392-2.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
117392.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
117460.rs add crashtests for several old unfixed ICEs 2024-08-30 12:50:07 +02:00
117496.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
117629.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
117696-1.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
117696-2.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
117795.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
117808.rs add some debug-assertion crash tests 2024-12-08 14:17:25 +01:00
117877.rs add some debug-assertion crash tests 2024-12-08 14:17:25 +01:00
118038.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
118244.rs add more known-crashes tests 2024-04-19 23:09:37 +02:00
118590.rs crashes: add a couple more tests 2024-04-18 18:55:20 +02:00
118603.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
118778.rs add some debug-assertion crash tests 2024-12-08 14:17:25 +01:00
118784.rs add some debug-assertion crash tests 2024-12-08 14:17:25 +01:00
118952-2.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
118952.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
119095.rs add crashtests for several old unfixed ICEs 2024-08-30 12:50:07 +02:00
119692.rs crashes: fix ice detection which did not trigger if code compiled without error by accident 2024-04-14 11:21:58 +02:00
119694.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
119729.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
119783.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
119786.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
119824.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
120016.rs more crash tests 2024-09-18 00:10:25 +02:00
120033.rs crashes: add a couple more tests 2024-04-18 18:55:20 +02:00
120175.rs add some debug-assertion crash tests 2024-12-08 14:17:25 +01:00
120254.rs crashes: add a couple more tests 2024-04-18 18:55:20 +02:00
120811.rs crashes: add even more tests?!? 2024-04-18 06:13:47 +02:00
120873.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
120911.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
121097.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
121176.rs add some debug-assertion crash tests 2024-12-08 14:17:25 +01:00
121363.rs crash tests: use individual mir opts instead of mir-opt-level where easily possible 2024-12-08 16:52:32 +01:00
121429.rs Move Const::{from_anon_const,try_from_lit} to hir_ty_lowering 2024-12-02 19:34:47 +00:00
121538.rs crashes: add a couple more tests 2024-04-18 18:55:20 +02:00
121575.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
121623.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
121858.rs Partially implement ConstArgHasType 2024-05-29 17:06:54 +01:00
121963.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
122259.rs crashes: add a couple more tests 2024-04-18 18:55:20 +02:00
122529.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
122630.rs crashes: add a couple more tests 2024-04-18 18:55:20 +02:00
122681.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
122704.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
122710.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
122823.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
122903-1.rs Adjust crash bug to still reproduce. 2024-05-31 11:04:32 +00:00
122904-2.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
122904.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
123140.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
123157.rs crashes: fix ice detection which did not trigger if code compiled without error by accident 2024-04-14 11:21:58 +02:00
123456.rs crashes: add even more tests?!? 2024-04-18 06:13:47 +02:00
123629.rs add a few more crashtests 2024-09-01 22:28:23 +02:00
123690.rs crashes: add even more tests?!? 2024-04-18 06:13:47 +02:00
123810.rs crashes: add even more tests?!? 2024-04-18 06:13:47 +02:00
123862.rs add some debug-assertion crash tests 2024-12-08 14:17:25 +01:00
123887.rs crashes: increment the number of tracked ones 2024-05-27 17:32:56 +02:00
123959.rs crashes: add even more tests?!? 2024-04-18 06:13:47 +02:00
124189.rs crashes: add a couple more ICE tests 2024-04-21 21:04:32 +02:00
124340.rs crashes: add more tests 2024-04-26 17:20:16 +02:00
124352.rs crashes: add more tests 2024-04-26 17:20:16 +02:00
124440.rs crashes: add lastest batch of crash tests 2024-05-05 23:41:08 +02:00
124751.rs Stabilize the 2024 edition 2024-11-22 11:12:15 -08:00
125014.rs crashes: increment the number of tracked ones 2024-05-27 17:32:56 +02:00
125059.rs crashes: increment the number of tracked ones 2024-05-27 17:32:56 +02:00
125185.rs crashes: add more 2024-05-18 23:56:57 +02:00
125323.rs crashes: increment the number of tracked ones 2024-05-27 17:32:56 +02:00
125553.rs remove fixed crashes, add fixed crashes to tests, add new cashed found in the meantime 2024-05-27 20:41:09 +02:00
125680.rs tests: add more crashes 2024-06-09 10:16:12 +02:00
125768.rs tests: add more crashes 2024-06-09 10:16:12 +02:00
125769.rs tests: add more crashes 2024-06-09 10:16:12 +02:00
125772.rs tests: add more crashes 2024-06-09 10:16:12 +02:00
125801.rs tests: add more crashes 2024-06-09 10:16:12 +02:00
125810.rs tests: add more crashes 2024-06-09 10:16:12 +02:00
125841.rs tests: add more crashes 2024-06-09 10:16:12 +02:00
125879.rs tests: add more crashes 2024-06-09 10:16:12 +02:00
125957.rs tests: add more crashes 2024-06-09 10:16:12 +02:00
126182.rs more ice tests 2024-06-16 20:38:08 +02:00
126268.rs add and update some crashtests 2024-11-02 23:44:12 +01:00
126269.rs more ice tests 2024-06-16 20:38:08 +02:00
126443.rs add crashtests for several old unfixed ICEs 2024-08-30 12:50:07 +02:00
126667.rs crashes: add more tests 2024-06-29 09:33:28 +02:00
126680.rs crashes: add more tests 2024-06-29 09:33:28 +02:00
126696.rs crashes: add more tests 2024-06-29 09:33:28 +02:00
126944.rs crashes: add latest 2024-07-04 23:44:10 +02:00
126982.rs crashes: add latest 2024-07-04 23:44:10 +02:00
127033.rs add a few more crashtests 2024-09-01 22:28:23 +02:00
127628.rs add more tests 2024-07-21 17:50:57 +02:00
127643.rs add more tests 2024-07-21 17:50:57 +02:00
127916.rs add more tests 2024-07-21 17:50:57 +02:00
127972.rs Retroactively feature gate ConstArgKind::Path 2024-08-19 01:14:22 +01:00
128094.rs crash tests: use individual mir opts instead of mir-opt-level where easily possible 2024-12-08 16:52:32 +01:00
128097.rs add crashtests for several old unfixed ICEs 2024-08-30 12:50:07 +02:00
128119.rs more crash tests 2024-09-18 00:10:25 +02:00
128190.rs tests: more crashes 2024-08-04 21:25:49 +02:00
128695.rs crashes: more tests 2024-08-15 22:44:16 +02:00
129095.rs crash tests: use individual mir opts instead of mir-opt-level where easily possible 2024-12-08 16:52:32 +01:00
129109.rs crash tests: use individual mir opts instead of mir-opt-level where easily possible 2024-12-08 16:52:32 +01:00
129209.rs crashes: more tests 2024-08-19 00:38:28 +02:00
129372.rs add a few more crashtests 2024-09-01 22:28:23 +02:00
129425.rs couple more crash tests 2024-08-30 12:38:22 +02:00
129556.rs couple more crash tests 2024-08-30 12:38:22 +02:00
130104.rs tests: more ice tests 2024-09-15 21:18:41 +02:00
130310.rs Revert "Add recursion limit to FFI safety lint" 2024-09-23 12:43:44 -04:00
130346.rs tests: more ice tests 2024-09-15 21:18:41 +02:00
130395.rs add some debug-assertion crash tests 2024-12-08 14:17:25 +01:00
130411.rs more crash tests 2024-09-18 00:10:25 +02:00
130524.rs crashes: more tests 2024-09-29 11:58:09 +02:00
130627.rs crashes: more tests 2024-09-29 11:58:09 +02:00
130779.rs crashes: more tests 2024-09-29 11:58:09 +02:00
130797.rs crashes: more tests 2024-12-15 17:27:52 +01:00
130970.rs crash tests: use individual mir opts instead of mir-opt-level where easily possible 2024-12-08 16:52:32 +01:00
131046.rs add more crash tests 2024-10-09 15:34:45 +02:00
131048.rs add more crash tests 2024-10-09 15:34:45 +02:00
131052.rs add more crash tests 2024-10-09 15:34:45 +02:00
131102.rs add more crash tests 2024-10-09 15:34:45 +02:00
131103.rs add more crash tests 2024-10-09 15:34:45 +02:00
131292.rs add more crash tests 2024-10-09 15:34:45 +02:00
131295.rs add more crash tests 2024-10-09 15:34:45 +02:00
131298.rs add more crash tests 2024-10-09 15:34:45 +02:00
131342.rs Emit warning when calling/declaring functions with unavailable vectors. 2024-11-01 22:24:35 +01:00
131347.rs crash tests: use individual mir opts instead of mir-opt-level where easily possible 2024-12-08 16:52:32 +01:00
131373.rs add more crash tests 2024-10-09 15:34:45 +02:00
131406.rs add more crash tests 2024-10-09 15:34:45 +02:00
131451.rs crashes: add test for #131451 2024-12-08 13:09:46 +01:00
131507.rs crash tests: use individual mir opts instead of mir-opt-level where easily possible 2024-12-08 16:52:32 +01:00
131534.rs add latest crash tests 2024-10-12 11:29:38 +02:00
131758.rs add latest crash tests 2024-10-20 10:05:39 +02:00
131762.rs add latest crash tests 2024-10-20 10:05:39 +02:00
131787.rs add latest crash tests 2024-10-20 10:05:39 +02:00
131886.rs add latest crash tests 2024-10-20 10:05:39 +02:00
132103.rs crashes: more tests 2024-12-15 17:27:52 +01:00
132126.rs add and update some crashtests 2024-11-02 23:44:12 +01:00
132142.rs more crash tests 2024-11-06 22:10:23 +01:00
132330.rs more crash tests 2024-11-06 22:10:23 +01:00
132335.rs more crash tests 2024-11-06 22:10:23 +01:00
132391.rs more crash tests 2024-11-06 22:10:23 +01:00
132430.rs more crash tests 2024-11-06 22:10:23 +01:00
132765.rs crashes: more tests 2024-12-12 22:09:39 +01:00
132882.rs crashes: more tests 2024-12-12 22:09:39 +01:00
132960.rs crashes: more tests 2024-12-15 17:27:52 +01:00
132981.rs crashes: more tests 2024-12-12 22:09:39 +01:00
132985.rs Introduce min_generic_const_args and directly represent paths 2024-11-19 05:07:43 +00:00
133063.rs crashes: more tests 2024-12-12 22:09:39 +01:00
133066.rs crashes: more tests 2024-12-12 22:09:39 +01:00
133117.rs crashes: more tests 2024-12-15 17:27:52 +01:00
133199.rs crashes: more tests 2024-12-12 22:09:39 +01:00
133275-1.rs crashes: more tests 2024-12-12 22:09:39 +01:00
133275-2.rs crashes: more tests 2024-12-12 22:09:39 +01:00
133426.rs crashes: more tests v2 2024-12-12 22:55:31 +01:00
133597.rs crashes: more tests v2 2024-12-12 22:55:31 +01:00
133613.rs crashes: more tests 2024-12-15 17:27:52 +01:00
133808.rs crashes: more tests v2 2024-12-12 22:55:31 +01:00
133868.rs crashes: more tests v2 2024-12-12 22:55:31 +01:00
133965.rs crashes: more tests v2 2024-12-12 22:55:31 +01:00
133966.rs crashes: more tests v2 2024-12-12 22:55:31 +01:00
134061.rs crashes: more tests v2 2024-12-12 22:55:31 +01:00
134174.rs crashes: more tests 2024-12-15 17:27:52 +01:00
134217.rs crashes: more tests v2 2024-12-12 22:55:31 +01:00
134334.rs crashes: more tests 2024-12-15 17:27:52 +01:00
134335.rs crashes: more tests 2024-12-15 17:27:52 +01:00
const_mut_ref_check_bypass.rs turn errors that should be impossible due to our static checks into ICEs 2024-09-10 10:27:30 +02:00
README.md add note not to re-report crashes from crashes tests 2024-11-06 18:07:47 +01:00

README.md

This is serves as a collection of crashes so that accidental ICE fixes are tracked. This was formally done at https://github.com/rust-lang/glacier but doing it inside the rustc testsuite is more convenient.

It is imperative that a test in the suite causes an internal compiler error/panic or makes rustc crash in some other way. A test will "pass" if rustc exits with something other than 1 or 0.

When adding crashes from https://github.com/rust-lang/rust/issues, the issue number should be noted in the file name (12345.rs should suffice) and also inside the file via //@ known-bug #4321 if possible.

If you happen to fix one of the crashes, please move it to a fitting subdirectory in tests/ui and give it a meaningful name. Also please add a doc comment at the top of the file explaining why this test exists. :) Adding Fixes #NNNNN Fixes #MMMMM to the description of your pull request will ensure the corresponding tickets will be closed automatically upon merge. The ticket ids can be found in the file name or the known-bug annotation inside the testfile.

Please do not re-report any crashes that you find here!