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@ghost ghost commented Mar 22, 2021

uwtable is marked as required on Android, so it can't be disabled via -C force-unwind-tables=no. However, I found that the reason it's marked as required was to resolve a backtrace issue in Gecko, and I haven't find any other reasons that make it required (yet). Therefore, I assume it's safe to turn it off if a (nice) backtrace is not needed, and submit this PR to allow -C force-unwind-tables=no when targeting Android.

Note that I haven't tested this change on Android as I don't have an Android environment for testing.

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r? @lcnr

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@rust-highfive rust-highfive added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Mar 22, 2021
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lcnr commented Mar 23, 2021

I don't have any experience regarding android and don't really know who does 🤔

r? @alexcrichton maybe, it seems like you have some experience with Android as you wrote the PR fixing #49867. Feel free to reassign

@rust-highfive rust-highfive assigned alexcrichton and unassigned lcnr Mar 23, 2021
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@bors: r+

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bors commented Mar 23, 2021

📌 Commit f900ee3 has been approved by alexcrichton

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Mar 23, 2021
bors added a commit to rust-lang-ci/rust that referenced this pull request Mar 24, 2021
Rollup of 9 pull requests

Successful merges:

 - rust-lang#83051 (Sidebar trait items order)
 - rust-lang#83313 (Only enable assert_dep_graph when query-dep-graph is enabled.)
 - rust-lang#83353 (Add internal io::Error::new_const to avoid allocations.)
 - rust-lang#83391 (Allow not emitting `uwtable` on Android)
 - rust-lang#83392 (Change `-W help` to display edition level.)
 - rust-lang#83393 (Codeblock tooltip position)
 - rust-lang#83399 (rustdoc: Record crate name instead of using `None`)
 - rust-lang#83405 (Slight visual improvements to warning boxes in the docs)
 - rust-lang#83415 (Remove unnecessary `Option` wrapping around `Crate.module`)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit 30db261 into rust-lang:master Mar 24, 2021
@rustbot rustbot added this to the 1.53.0 milestone Mar 24, 2021
@ghost ghost deleted the uwtable branch March 24, 2021 10:37
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6 participants