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Make -Z treat-err-as-bug accept a number of errors to skip #58983

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estebank opened this issue Mar 7, 2019 · 0 comments
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Make -Z treat-err-as-bug accept a number of errors to skip #58983

estebank opened this issue Mar 7, 2019 · 0 comments
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B-unstable Blocker: Implemented in the nightly compiler and unstable. C-feature-request Category: A feature request, i.e: not implemented / a PR. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.

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estebank commented Mar 7, 2019

Allow -Z treat-err-as-bug to take a number, in order to make it easier to debug errors that can't be made to be emitted first. In my mind, you'd call rustc -Z treat-err-as-bug 2 on a file with three errors and the first two would be emitted, you'd get the backtrace for the second one, and the third one wouldn't be emitted.
@estebank estebank added T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. B-unstable Blocker: Implemented in the nightly compiler and unstable. C-feature-request Category: A feature request, i.e: not implemented / a PR. labels Mar 7, 2019
@estebank estebank mentioned this issue Mar 7, 2019
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pietroalbini added a commit to pietroalbini/rust that referenced this issue Mar 8, 2019
@pietroalbini
Rollup merge of rust-lang#58984 - estebank:multi-treat-err-as-bug, r=…
72d4c1e 
…oli-obk

Teach `-Z treat-err-as-bug` to take a number of errors to emit

`-Z treat-err-as-bug` will cause `rustc` to panic after the first error is reported, like previously. `-Z treat-err-as-bug=2` will cause `rustc` to panic after 2 errors have been reported.

Fix rust-lang#58983.
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B-unstable Blocker: Implemented in the nightly compiler and unstable. C-feature-request Category: A feature request, i.e: not implemented / a PR. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
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