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| author | Matthias Krüger <matthias.krueger@famsik.de> | 2022-01-20 17:10:40 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-01-20 17:10:40 +0100 |
| commit | 1cb57e2d2b6400ed6fb6d498cb5639fe6fd5d984 (patch) | |
| tree | 5e3dcae0bc73dd3264e076302666a31f26993119 /library/std/src/sys/unix/process/process_unix.rs | |
| parent | ed3bf67db74ffa0165bef56d1d6597f5fa56a5fa (diff) | |
| parent | c2807525a5d7adff0e340007f73b9558f45e38b5 (diff) | |
| download | rust-1cb57e2d2b6400ed6fb6d498cb5639fe6fd5d984.tar.gz rust-1cb57e2d2b6400ed6fb6d498cb5639fe6fd5d984.zip | |
Rollup merge of #92992 - kornelski:backtraceopt, r=Mark-Simulacrum
Help optimize out backtraces when disabled The comment in `rust_backtrace_env` says: > // If the `backtrace` feature of this crate isn't enabled quickly return > // `None` so this can be constant propagated all over the place to turn > // optimize away callers. but this optimization has regressed, because the only caller of this function had an alternative path that unconditionally (and pointlessly) asked for a full backtrace, so the disabled state couldn't propagate. I've added a getter for the full format that respects the feature flag, so that the caller will now be able to really optimize out the disabled backtrace path. I've also made `rust_backtrace_env` trivially inlineable when backtraces are disabled.
Diffstat (limited to 'library/std/src/sys/unix/process/process_unix.rs')
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