Dylan DPC 354f19cf24

Rollup merge of #81850 - the8472:env-rwlock, r=m-ou-se ...

use RWlock when accessing os::env

Multiple threads modifying the current process environment is fairly uncommon. Optimize for the more common read case.

r? ````@m-ou-se````

2021-02-12 22:53:33 +01:00

..

benches

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src

Rollup merge of #81850 - the8472:env-rwlock, r=m-ou-se

2021-02-12 22:53:33 +01:00

tests

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build.rs

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Cargo.toml

Update compiler_builtins to 0.1.39

2021-01-07 16:16:36 +09:00