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Rollup merge of #118807 - SUPERCILEX:allo, r=the8472

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Remove an allocation in min_stack
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Guillaume Gomez 2023-12-11 11:40:37 +01:00 • committed by GitHub
commit f712d73108
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library/std/src/sys_common/thread.rs
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@ -8,7 +8,7 @@ pub fn min_stack() -> usize {
0 => {} 0 => {}
n => return n - 1, n => return n - 1,
} }
let amt = env::var("RUST_MIN_STACK").ok().and_then(|s| s.parse().ok()); let amt = env::var_os("RUST_MIN_STACK").and_then(|s| s.to_str().and_then(|s| s.parse().ok()));
let amt = amt.unwrap_or(imp::DEFAULT_MIN_STACK_SIZE); let amt = amt.unwrap_or(imp::DEFAULT_MIN_STACK_SIZE);
// 0 is our sentinel value, so ensure that we'll never see 0 after // 0 is our sentinel value, so ensure that we'll never see 0 after