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drive by fix needless allocation of const string number

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This commit is contained in:
klensy 2022-06-08 21:23:39 +03:00
parent 989d1a732f
commit 68ea8ff16f
1 changed files with 6 additions and 2 deletions
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8
compiler/rustc_errors/src/emitter.rs
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@ -771,8 +771,12 @@ impl EmitterWriter {
self self
} }
fn maybe_anonymized(&self, line_num: usize) -> String { fn maybe_anonymized(&self, line_num: usize) -> Cow<'static, str> {
if self.ui_testing { ANONYMIZED_LINE_NUM.to_string() } else { line_num.to_string() } if self.ui_testing {
Cow::Borrowed(ANONYMIZED_LINE_NUM)
} else {
Cow::Owned(line_num.to_string())
}
} }
fn draw_line( fn draw_line(