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Bail out when encountering likely missing turbofish in parser - #64192
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When encountering a likely intended turbofish without `::`, bubble up the diagnostic instead of emitting it to allow the parser to recover more gracefully and avoid uneccessary type errors that are likely to be wrong.
estebank
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Sep 5, 2019
ContributorAuthor
r? @Centril |
Centril
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Sep 5, 2019
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@bors r+ |
bors
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Sep 5, 2019
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📌 Commit afcf9b2 has been approved by |
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estebank
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Sep 5, 2019
ContributorAuthor
@Centril please take a look at the test change I made. I'm confident it is ok to not care about how we pprint incorrect expressions, but you might disagree :) |
Centril
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Sep 6, 2019
Contributor
Hmm; why is this producing incorrect expressions to pretty print in the first place? |
estebank
commented
Sep 6, 2019
ContributorAuthor
Its a test that generates chained expressions programmatically. I could make a couple of changes to avoid creating chained comparisons but didn't look at the code closely enough to figure it out. |
petrochenkov
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Sep 6, 2019
Centril
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Sep 6, 2019
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@bors r=petrochenkov |
bors
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Sep 6, 2019
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📌 Commit dc613c6 has been approved by |
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…chenkov Bail out when encountering likely missing turbofish in parser When encountering a likely intended turbofish without `::`, bubble up the diagnostic instead of emitting it to allow the parser to recover more gracefully and avoid uneccessary type errors that are likely to be wrong. Fixrust-lang#61329.
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Sep 7, 2019
Rollup of 10 pull requests Successful merges: - #63919 (Use hygiene for AST passes) - #63927 (Filter linkcheck spurious failure) - #64149 (rustc_codegen_llvm: give names to non-alloca variable values.) - #64192 (Bail out when encountering likely missing turbofish in parser) - #64231 (Move the HIR CFG to `rustc_ast_borrowck`) - #64233 (Correct pluralisation of various diagnostic messages) - #64236 (reduce visibility) - #64240 (Include compiler-rt in the source tarball) - #64241 ([doc] Added more prereqs and note about default directory) - #64243 (Move injection of attributes from command line to `libsyntax_ext`) Failed merges: r? @ghost
bors
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Sep 7, 2019
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☔ The latest upstream changes (presumably #64246) made this pull request unmergeable. Please resolve the merge conflicts. |
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When encountering a likely intended turbofish without
::, bubbleup the diagnostic instead of emitting it to allow the parser to recover
more gracefully and avoid uneccessary type errors that are likely to be
wrong.
Fix#61329.