bjoernager/rust
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Use Freeze for SourceFile.external_src

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This commit is contained in:
John Kåre Alsaker 2023-08-31 12:50:44 +02:00
parent f00c139998
commit c5996b80be
8 changed files with 91 additions and 46 deletions
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4
compiler/rustc_metadata/src/rmeta/encoder.rs
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@ -280,8 +280,8 @@ impl<'a, 'tcx> Encodable<EncodeContext<'a, 'tcx>> for SpanData {
// All of this logic ensures that the final result of deserialization is a 'normal'
// Span that can be used without any additional trouble.
let metadata_index = {
// Introduce a new scope so that we drop the 'lock()' temporary
match &*source_file.external_src.lock() {
// Introduce a new scope so that we drop the 'read()' temporary
match &*source_file.external_src.read() {
ExternalSource::Foreign { metadata_index, .. } => *metadata_index,
src => panic!("Unexpected external source {src:?}"),
}