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Rust 1.45.0 aarch64-apple-ios generates multiple messages: "'+cyclone' is not a recognized feature for this target (ignoring feature)" #74427

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@trsoluti

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@trsoluti

I tried this code:

cargo new cyclone_test
cd cyclone_test
cargo build --target=aarch64-apple-ios

I expected to see this happen: explanation
no errors or warnings
Instead, this happened: explanation
multiple copies of

'+cyclone' is not a recognized feature for this target (ignoring feature)

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rustc --version --verbose:

rustc 1.45.0 (5c1f21c3b 2020-07-13)
binary: rustc
commit-hash: 5c1f21c3b82297671ad3ae1e8c942d2ca92e84f2
commit-date: 2020-07-13
host: x86_64-apple-darwin
release: 1.45.0
LLVM version: 10.0
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    C-bugCategory: This is a bug.O-ArmTarget: 32-bit Arm processors (armv6, armv7, thumb...), including 64-bit Arm in AArch32 stateregression-from-stable-to-stablePerformance or correctness regression from one stable version to another.

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