Fix Once perf regression #54662
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Fix Once perf regression #54662
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Because `call_once` is generic, but `is_completed` is not, we need `#[inline]` annotation to allow LLVM to inline `is_completed` into `call_once` in downstream crates.
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Fix Once perf regression Because `call_once` is generic, but `is_completed` is not, we need `#[inline]` annotation to allow LLVM to inline `is_completed` into `call_once` in downstream crates. cc https://github.com./rust-lang/rust/pull/53027/files#r221418859
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Because
call_onceis generic, butis_completedis not, we need#[inline]annotation to allow LLVM to inlineis_completedintocall_oncein downstream crates.cc https://github.com./rust-lang/rust/pull/53027/files#r221418859