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Avoid cloning LocalDecls

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This commit is contained in:
Paul Trojahn 2021-06-03 19:24:48 +02:00
parent 5998c2e9ad
commit 7bcc9ae422
2 changed files with 6 additions and 7 deletions
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8
compiler/rustc_mir/src/transform/inline.rs
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@ -607,13 +607,7 @@ impl Inliner<'tcx> {
}
// Insert all of the (mapped) parts of the callee body into the caller.
caller_body.local_decls.extend(
// FIXME(eddyb) make `Range<Local>` iterable so that we can use
// `callee_body.local_decls.drain(callee_body.vars_and_temps())`
callee_body
.vars_and_temps_iter()
.map(|local| callee_body.local_decls[local].clone()),
);
caller_body.local_decls.extend(callee_body.drain_vars_and_temps());
caller_body.source_scopes.extend(&mut callee_body.source_scopes.drain(..));
caller_body.var_debug_info.append(&mut callee_body.var_debug_info);
caller_body.basic_blocks_mut().extend(callee_body.basic_blocks_mut().drain(..));