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2020-06-02Rollup merge of #72880 - GuillaumeGomez:cleanup-e0637, r=Dylan-DPCYuki Okushi-1/+4
Clean up E0637 explanation r? @Dylan-DPC
2020-06-01Clean up E0637 explanationGuillaume Gomez-1/+4
2020-06-01Rollup merge of #72818 - GuillaumeGomez:cleanup-e0622, r=Dylan-DPCDylan DPC-3/+11
Clean up E0622 explanation r? @Dylan-DPC
2020-05-31Clean up E0622 explanationGuillaume Gomez-3/+11
2020-05-30Rollup merge of #72540 - davidtwco:issue-67552-mono-collector-comparison, ↵Ralf Jung-1/+1
r=varkor mir: adjust conditional in recursion limit check Fixes #67552. This PR adjusts the condition used in the recursion limit check of the monomorphization collector, from `>` to `>=`. In #67552, the test case had infinite indirect recursion, repeating a handful of functions (from the perspective of the monomorphization collector): `rec` -> `identity` -> `Iterator::count` -> `Iterator::fold` -> `Iterator::next` -> `rec`. During this process, `resolve_associated_item` was invoked for `Iterator::fold` (during the construction of an `Instance`), and ICE'd due to substitutions needing inference. However, previous iterations of this recursion would have called this function for `Iterator::fold` - and did! - and succeeded in doing so (trivially checkable from debug logging, `()` is present where `_` is in the substs of the failing execution). The expected outcome of this test case would be a recursion limit error (which is present when the `identity` fn indirection is removed), and the recursion depth of `rec` is increasing (other functions finish collecting their neighbours and thus have their recursion depths reset). When the ICE occurs, the recursion depth of `rec` is 256 (which matches the recursion limit), which suggests perhaps that a different part of the compiler is using a `>=` comparison and returning a different result on this recursion rather than what it returned in every previous recursion, thus stopping the monomorphization collector from reporting an error on the next recursion, where `recursion_depth_of_rec > 256` would have been true. With grep and some educated guesses, we can determine that the recursion limit check at line 818 in `src/librustc_trait_selection/traits/project.rs` is the other check that is using a different comparison. Modifying either comparison to be `>` or `>=` respectively will fix the error, but changing the monomorphization collector produces the nicer error.
2020-05-29Rollup merge of #72731 - GuillaumeGomez:cleanup-e0619, r=Dylan-DPCDylan DPC-0/+1
Add missing empty line in E0619 explanation r? @Dylan-DPC
2020-05-29Add missing empty line in E0619 explanationGuillaume Gomez-0/+1
2020-05-29Rollup merge of #72495 - GuillaumeGomez:cleanup-e0601, r=Dylan-DPCYuki Okushi-2/+3
Improve E0601 explanation r? @Dylan-DPC
2020-05-29Rollup merge of #72605 - GuillaumeGomez:cleanup-e0617, r=Dylan-DPCDylan DPC-0/+11
Add working example for E0617 explanation r? @Dylan-DPC
2020-05-28standardize limit comparisons with `Limit` typeDavid Wood-1/+1
This commit introduces a `Limit` type which is used to ensure that all comparisons against limits within the compiler are consistent (which can result in ICEs if they aren't). Signed-off-by: David Wood <david@davidtw.co>
2020-05-27Add working example for E0617 explanationGuillaume Gomez-0/+11
2020-05-25Rollup merge of #72567 - GuillaumeGomez:cleanup-e0608, r=Dylan-DPCDylan DPC-1/+1
Clean up E0608 explanation r? @Dylan-DPC
2020-05-25Clean up E0608 explanationGuillaume Gomez-1/+1
2020-05-24Rollup merge of #72530 - GuillaumeGomez:cleanup-e0602, r=Dylan-DPCRalf Jung-2/+2
Clean up E0602 explanation r? @Dylan-DPC
2020-05-24Clean up E0602 explanationGuillaume Gomez-2/+2
2020-05-23Improve E0601 explanationGuillaume Gomez-2/+3
2020-05-22Rollup merge of #72461 - GuillaumeGomez:cleanup-e0600, r=Dylan-DPCDylan DPC-1/+1
Clean up E0600 explanation r? @Dylan-DPC
2020-05-22Rollup merge of #72375 - GuillaumeGomez:cleanup-e0599, r=Dylan-DPCDylan DPC-0/+15
Improve E0599 explanation r? @Dylan-DPC
2020-05-22Rollup merge of #72345 - GuillaumeGomez:cleanup-e0593, r=Dylan-DPCRalf Jung-0/+11
Clean up E0593 explanation r? @Dylan-DPC
2020-05-22Rollup merge of #72235 - GuillaumeGomez:cleanup-E0590, r=Dylan-DPCRalf Jung-3/+7
Clean up E0590 explanation r? @Dylan-DPC
2020-05-22Clean up E0590 explanationGuillaume Gomez-3/+7
2020-05-22Clean up E0600 explanationGuillaume Gomez-1/+1
2020-05-20Improve E0599 explanationGuillaume Gomez-0/+15
2020-05-20Implement `#[ffi_const]` and `#[ffi_pure]` function attributesMatthias Schiffer-0/+3
Introduce function attribute corresponding to the `const`/`pure` attributes supported by GCC, clang and other compilers. Based on the work of gnzlbg <gonzalobg88@gmail.com>.
2020-05-19Clean up E0593 explanationGuillaume Gomez-0/+11
2020-05-19Merge branch 'master' into issue-69276csmoe-15/+96
2020-05-18Add documentation for asm!Amanieu d'Antras-10/+10
2020-05-18bless suggestion on spell outcsmoe-3/+6
2020-05-17Rollup merge of #72259 - crlf0710:ascii_only_check, r=petrochenkovRalf Jung-0/+34
Disallow forbidden usage of non-ascii identifiers. Part of RFC2457, this tightens allowed identifiers back to ascii only in two situations. r? @petrochenkov
2020-05-17Disallow forbidden usage of non-ascii identifiers.Charles Lew-0/+34
2020-05-16create error code E0754csmoe-0/+30
2020-05-16Fix typo Arbintrary to ArbitraryRustin-Liu-1/+1
Signed-off-by: Rustin-Liu <rustin.liu@gmail.com>
2020-05-14Rollup merge of #72191 - GuillaumeGomez:cleanup-e0589, r=Dylan-DPCDylan DPC-0/+2
Clean up E0589 explanation r? @Dylan-DPC
2020-05-14Rollup merge of #72127 - jademcgough:long-error-explanation-E0228, ↵Dylan DPC-1/+41
r=petrochenkov add long error explanation for E0228 Add long explanation for the E0228 error code Part of #61137 Let me know if this is wrong at all (or can be written more clearly), I'm still learning Rust.
2020-05-14Clean up E0589 explanationGuillaume Gomez-0/+2
2020-05-14Rollup merge of #72169 - GuillaumeGomez:cleanup-e0582, r=Dylan-DPCRalf Jung-2/+2
Clean up E0582 explanation r? @Dylan-DPC
2020-05-14Rollup merge of #72137 - GuillaumeGomez:cleanup-e0581, r=Dylan-DPCRalf Jung-3/+6
Clean up E0581 explanation r? @Dylan-DPC
2020-05-13Clean up E0582 explanationGuillaume Gomez-2/+2
2020-05-12add long error explanation for E0228Jade McGough-1/+41
2020-05-12Clean up E0581 explanationGuillaume Gomez-3/+6
2020-05-11Rollup merge of #72107 - GuillaumeGomez:cleanup-e0579, r=Dylan-DPCDylan DPC-4/+6
Clean up E0579 explanation r? @Dylan-DPC
2020-05-11Rollup merge of #72077 - GuillaumeGomez:cleanup-E0571, r=Dylan-DPCDylan DPC-3/+3
Improve E0571 wording r? @Dylan-DPC
2020-05-11Clean up E0579 explanationGuillaume Gomez-4/+6
2020-05-10Improve E0571 wordingGuillaume Gomez-3/+3
2020-05-09Add missing backtick in E0569 explanationGuillaume Gomez-1/+1
2020-05-03Add stability attribute to E0539 error examplesunexge-0/+2
2020-05-02Add `#![feature(staged_api)]` attribute to E0539 error examplesunexge-0/+4
2020-05-02Add long error explanation for E0539unexge-1/+43
2020-04-24Rollup merge of #71426 - contrun:fix-e0751-explanation, r=estebankDylan DPC-1/+1
fix error code in E0751.md reference: https://github.com/rust-lang/rust/issues/71304
2020-04-23Rollup merge of #71461 - GuillaumeGomez:improve-e0567, r=Dylan-DPCDylan DPC-4/+2
Improve E0567 explanation r? @Dylan-DPC
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