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Rollup merge of #80495 - jyn514:rename-empty, r=petrochenkov

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Rename kw::Invalid -> kw::Empty

See https://rust-lang.zulipchat.com/#narrow/stream/182449-t-compiler.2Fhelp/topic/Is.20there.20a.20symbol.20for.20the.20empty.20string.3F/near/220054471
for context.

r? `@petrochenkov`
This commit is contained in:
Mara Bos 2020-12-30 20:56:58 +00:00 • committed by GitHub
commit 9e8edc8c22
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27 changed files with 46 additions and 46 deletions
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2
compiler/rustc_passes/src/liveness.rs
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@ -1382,7 +1382,7 @@ impl<'tcx> Liveness<'_, 'tcx> {
fn should_warn(&self, var: Variable) -> Option<String> {
let name = self.ir.variable_name(var);
if name == kw::Invalid {
if name == kw::Empty {
return None;
}
let name: &str = &name.as_str();