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| author | bors <bors@rust-lang.org> | 2021-07-14 01:41:12 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2021-07-14 01:41:12 +0000 |
| commit | 2155386f319d1d17b7b1604a2d6401c98decce9b (patch) | |
| tree | 77570a43561de7f88367aa8482f67cb244c2e1e5 /compiler/rustc_span/src | |
| parent | c7d6bcc788ef6b2293d2d5166a9b0339d5d03b0a (diff) | |
| parent | 7d373c9c11a63714a1dd9ce79d38a088a435723d (diff) | |
| download | rust-2155386f319d1d17b7b1604a2d6401c98decce9b.tar.gz rust-2155386f319d1d17b7b1604a2d6401c98decce9b.zip | |
Auto merge of #87106 - Mark-Simulacrum:edition-no-clone, r=petrochenkov
Avoid cloning ExpnData to access Span edition ExpnData is a fairly hefty structure to clone; cloning it may not be cheap. In some cases this may get optimized out, but it's not clear that will always be the case. Try to avoid that cost. r? `@ghost` -- opening for a perf run to start with
Diffstat (limited to 'compiler/rustc_span/src')
| -rw-r--r-- | compiler/rustc_span/src/hygiene.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_span/src/hygiene.rs b/compiler/rustc_span/src/hygiene.rs index 9a101169d20..d292f652896 100644 --- a/compiler/rustc_span/src/hygiene.rs +++ b/compiler/rustc_span/src/hygiene.rs @@ -670,7 +670,7 @@ impl SyntaxContext { } pub fn edition(self) -> Edition { - self.outer_expn_data().edition + HygieneData::with(|data| data.expn_data(data.outer_expn(self)).edition) } } |