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Nicholas Nethercote 1ae521e9d5 Return earlier in some cases in collect_token. 
This example triggers an assertion failure:
```
fn f() -> u32 {
    #[cfg_eval] #[cfg(not(FALSE))] 0
}
```
The sequence of events:
- `configure_annotatable` calls `parse_expr_force_collect`, which calls
  `collect_tokens`.
- Within that, we end up in `parse_expr_dot_or_call`, which again calls
  `collect_tokens`.
  - The return value of the `f` call is the expression `0`.
  - This inner call collects tokens for `0` (parser range 10..11) and
    creates a replacement covering `#[cfg(not(FALSE))] 0` (parser range
    0..11).
- We return to the outer `collect_tokens` call. The return value of the
  `f` call is *again* the expression `0`, again with the range 10..11,
  but the replacement from earlier covers the range 0..11. The code
  mistakenly assumes that any attributes from an inner `collect_tokens`
  call fit entirely within the body of the result of an outer
  `collect_tokens` call. So it adjusts the replacement parser range
  0..11 to a node range by subtracting 10, resulting in -10..1. This is
  an invalid range and triggers an assertion failure.

It's tricky to follow, but basically things get complicated when an AST
node is returned from an inner `collect_tokens` call and then returned
again from an outer `collect_token` node without being wrapped in any
kind of additional layer.

This commit changes `collect_tokens` to return early in some extra cases,
avoiding the construction of lazy tokens. In the example above, the
outer `collect_tokens` returns earlier because the `0` token already has
tokens and `self.capture_state.capturing` is `Capturing::No`. This early
return avoids the creation of the invalid range and the assertion
failure.

Fixes #129166. Note: these invalid ranges have been happening for a long
time. #128725 looks like it's at fault only because it introduced the
assertion that catches the invalid ranges.
2024-08-23 14:40:08 +10:00
..
23707.rs crashes: limit a couple tests to only run on x86_64 and/or not on windows 2024-04-14 23:53:39 +02:00
34127.rs crashes: limit a couple tests to only run on x86_64 and/or not on windows 2024-04-14 23:53:39 +02:00
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
74299.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
105249.rs add more known-crashes tests 2024-04-19 23:09:37 +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
109681.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
110630.rs add .rs crashes from https://github.com/rust-lang/glacier 2024-04-14 11:18:23 +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
112623.rs crashes: add even more tests?!? 2024-04-18 06:13:47 +02:00
113280.rs crashes: limit a couple tests to only run on x86_64 and/or not on windows 2024-04-14 23:53:39 +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
115808.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +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
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
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
117942.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
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
118320.rs crashes: fix ice detection which did not trigger if code compiled without error by accident 2024-04-14 11:21:58 +02:00
118545.rs crashes: add a couple more tests 2024-04-18 18:55:20 +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
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
118987-2.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
118987.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +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
119701.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
119716-2.rs Detect non-lifetime binder params shadowing item params 2024-07-29 14:26:21 -04:00
119716.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
119924-6.rs Migrate tests to use -Znext-solver 2024-06-30 17:08:45 +00:00
120033.rs crashes: add a couple more tests 2024-04-18 18:55:20 +02:00
120241-2.rs crashes: fix ice detection which did not trigger if code compiled without error by accident 2024-04-14 11:21:58 +02:00
120241.rs crashes: fix ice detection which did not trigger if code compiled without error by accident 2024-04-14 11:21:58 +02:00
120254.rs crashes: add a couple more tests 2024-04-18 18:55:20 +02:00
120482.rs crashes: fix ice detection which did not trigger if code compiled without error by accident 2024-04-14 11:21:58 +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
121052.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
121127.rs Make validate_mir pull optimized/ctfe MIR for all bodies 2024-08-03 15:18:09 -04:00
121161.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
121263-2.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
121263.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
121299.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
121363.rs crashes: add a couple more tests 2024-04-18 18:55:20 +02:00
121411.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
121422.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
121429.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
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
121722.rs tests/crashes: add ICEs from matthiaskrgr/glacier2 2024-04-14 11:21:51 +02:00
121799.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
123077-2.rs crashes: limit a couple tests to only run on x86_64 and/or not on windows 2024-04-14 23:53:39 +02:00
123134.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
123141.rs Partially implement ConstArgHasType 2024-05-29 17:06:54 +01:00
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
123690.rs crashes: add even more tests?!? 2024-04-18 06:13:47 +02:00
123693.rs crashes: add even more tests?!? 2024-04-18 06:13:47 +02:00
123809.rs Mark Parser::eat/check methods as must_use 2024-07-29 21:29:08 -04:00
123810.rs crashes: add even more tests?!? 2024-04-18 06:13:47 +02:00
123887.rs crashes: increment the number of tracked ones 2024-05-27 17:32:56 +02:00
123893.rs Give inlining bonuses to things that optimize out 2024-06-19 21:35:37 -07:00
123955.rs crashes: add a couple more ICE tests 2024-04-21 21:04:32 +02:00
123959.rs crashes: add even more tests?!? 2024-04-18 06:13:47 +02:00
124020.rs crashes: add even more tests?!? 2024-04-18 06:13:47 +02:00
124021.rs crashes: add even more tests?!? 2024-04-18 06:13:47 +02:00
124092.rs crashes: add a couple more ICE tests 2024-04-21 21:04:32 +02:00
124164.rs add more known-crashes tests 2024-04-19 23:09:37 +02:00
124182.rs crashes: add a couple more ICE tests 2024-04-21 21:04:32 +02:00
124189.rs crashes: add a couple more ICE tests 2024-04-21 21:04:32 +02:00
124207.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
124350.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
124375.rs crashes: add more tests 2024-04-26 17:20:16 +02:00
124436.rs crashes: add lastest batch of crash tests 2024-05-05 23:41:08 +02:00
124440.rs crashes: add lastest batch of crash tests 2024-05-05 23:41:08 +02:00
124751.rs crashes: add lastest batch of crash tests 2024-05-05 23:41:08 +02:00
124894.rs crashes: add more 2024-05-18 23:56:57 +02:00
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
125249.rs Change RTN to use .. again 2024-06-28 14:20:43 -04:00
125323.rs crashes: increment the number of tracked ones 2024-05-27 17:32:56 +02:00
125476.rs remove fixed crashes, add fixed crashes to tests, add new cashed found in the meantime 2024-05-27 20:41:09 +02:00
125512.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
125655.rs tests: add more crashes 2024-06-09 10:16:12 +02:00
125680.rs tests: add more crashes 2024-06-09 10:16:12 +02:00
125758.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
125843.rs tests: add more crashes 2024-06-09 10:16:12 +02:00
125874.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
125881.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
126267.rs more ice tests 2024-06-16 20:38:08 +02:00
126269.rs more ice tests 2024-06-16 20:38:08 +02:00
126359.rs more ice tests 2024-06-16 20:38:08 +02:00
126377.rs more ice tests 2024-06-16 20:38:08 +02:00
126646.rs crashes: add more tests 2024-06-29 09:33:28 +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
126725.rs crashes: add more tests 2024-06-29 09:33:28 +02:00
126850.rs crashes: add more tests 2024-06-29 09:33:28 +02:00
126896.rs Make validate_mir pull optimized/ctfe MIR for all bodies 2024-08-03 15:18:09 -04:00
126939.rs crashes: add latest 2024-07-04 23:44:10 +02:00
126942.rs crashes: add latest 2024-07-04 23:44:10 +02:00
126944.rs crashes: add latest 2024-07-04 23:44:10 +02:00
126966.rs crashes: add latest 2024-07-04 23:44:10 +02:00
126969.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
127351.rs add more tests 2024-07-21 17:50:57 +02:00
127353.rs add more tests 2024-07-21 17:50:57 +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
127676.rs add more tests 2024-07-21 17:50:57 +02:00
127737.rs add more tests 2024-07-21 17:50:57 +02:00
127742.rs add more tests 2024-07-21 17:50:57 +02:00
127880.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 add more tests 2024-07-21 17:50:57 +02:00
128016.rs add more tests 2024-07-21 17:50:57 +02:00
128094.rs tests: more crashes 2024-08-04 21:25:49 +02:00
128176.rs tests: more crashes 2024-08-04 21:25:49 +02:00
128190.rs tests: more crashes 2024-08-04 21:25:49 +02:00
128327.rs tests: more crashes 2024-08-04 21:25:49 +02:00
128346.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
128848.rs crashes: more tests 2024-08-15 22:44:16 +02:00
128870.rs crashes: more tests 2024-08-15 22:44:16 +02:00
129075.rs crashes: more tests 2024-08-15 22:44:16 +02:00
129095.rs crashes: more tests 2024-08-15 22:44:16 +02:00
129099.rs crashes: more tests 2024-08-15 22:44:16 +02:00
129109.rs crashes: more tests 2024-08-15 22:44:16 +02:00
129127.rs crashes: more tests 2024-08-15 22:44:16 +02:00
129150.rs crashes: more tests 2024-08-19 00:38:28 +02:00
129205.rs crashes: more tests 2024-08-19 00:38:28 +02:00
129209.rs crashes: more tests 2024-08-19 00:38:28 +02:00
129214.rs crashes: more tests 2024-08-19 00:38:28 +02:00
129216.rs crashes: more tests 2024-08-19 00:38:28 +02:00
129219.rs crashes: more tests 2024-08-19 00:38:28 +02:00
README.md crashes: readme: add reminder to add Fixes #abcde to prs to automatically close issues. 2024-04-15 21:44:04 +02:00

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 perhaps also inside the file via //@ known-bug #4321

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.