bjoernager/rust
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Avoid unnecessary work in finalize_resolutions_in.

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If `module.opt_def_id()` returns `None`, we can skip most of the work.
This commit is contained in:
Nicholas Nethercote 2022-06-27 16:29:56 +10:00
parent 788ddedb0d
commit 0e475b5d5e
1 changed files with 22 additions and 22 deletions
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2
compiler/rustc_resolve/src/imports.rs
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@ -1090,6 +1090,7 @@ impl<'a, 'b> ImportResolver<'a, 'b> {
// Since import resolution is finished, globs will not define any more names.
*module.globs.borrow_mut() = Vec::new();
if let Some(def_id) = module.opt_def_id() {
let mut reexports = Vec::new();
module.for_each_child(self.r, |_, ident, _, binding| {
@ -1114,7 +1115,6 @@ impl<'a, 'b> ImportResolver<'a, 'b> {
});
if !reexports.is_empty() {
if let Some(def_id) = module.opt_def_id() {
// Call to `expect_local` should be fine because current
// code is only called for local modules.
self.r.reexport_map.insert(def_id.expect_local(), reexports);