Fix unwinding on 32-bit watchOS ARM (v2) #124748
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The code is written in a way to support 32-bit iOS and tvOS ARM devices, for future compatibility even though we currently only have a target for 32-bit iOS ARM.
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…llaumeGomez Rollup of 6 pull requests Successful merges: - rust-lang#124148 (rustdoc-search: search for references) - rust-lang#124668 (Fix bootstrap panic when build from tarball) - rust-lang#124736 (compiler: upgrade time from 0.3.34 to 0.3.36) - rust-lang#124748 (Fix unwinding on 32-bit watchOS ARM (v2)) - rust-lang#124749 (Stabilize exclusive_range_pattern (v2)) - rust-lang#124750 (Document That `f16` And `f128` Hardware Support is Limited (v2)) r? `@ghost` `@rustbot` modify labels: rollup
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Rollup merge of rust-lang#124748 - madsmtm:fix-32bit-watchos-unwind, r=Mark-Simulacrum Fix unwinding on 32-bit watchOS ARM (v2) This PR is identical to rust-lang#124494, which was approved and merged but then removed from master by a force-push due to a [CI bug](https://rust-lang.zulipchat.com/#narrow/stream/242791-t-infra/topic/ci.20broken.3F). r? Mark-Simulacrum Original PR description: --- Found while doing rust-lang#124491, I wanted to unify the code under `target_vendor = "apple"`, and found that [Clang actually specifies that watchOS ARM 32-bit does not use SjLj](https://github.com/llvm/llvm-project/blob/llvmorg-18.1.4/clang/lib/Driver/ToolChains/Darwin.cpp#L3107-L3119). I don't have an Apple Watch from that generation at hand to test this myself (series 1 to 3), and I don't think it will be sufficient to test it in the simulator (as it's architecture-specific), so maybe someone else could do so? N.B. The code is written in a way to support 32-bit iOS and tvOS ARM devices (which do use SjLj) for future compatibility even though we currently only have a target for 32-bit iOS ARM (if you think that's excessive, then I'll change it). `@rustbot` label O-watchos
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This PR is identical to #124494, which was approved and merged but then removed from master by a force-push due to a CI bug.
r? Mark-Simulacrum
Original PR description:
Found while doing #124491, I wanted to unify the code under
target_vendor = "apple", and found that Clang actually specifies that watchOS ARM 32-bit does not use SjLj.I don't have an Apple Watch from that generation at hand to test this myself (series 1 to 3), and I don't think it will be sufficient to test it in the simulator (as it's architecture-specific), so maybe someone else could do so?
N.B. The code is written in a way to support 32-bit iOS and tvOS ARM devices (which do use SjLj) for future compatibility even though we currently only have a target for 32-bit iOS ARM (if you think that's excessive, then I'll change it).
@rustbot label O-watchos