bjoernager/rust
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specialization_graph_of's errored field is used in the only call site, and used to immediately throw away the rest of the value. Let's use Result to statically signal that this is happening

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This commit is contained in:
Oli Scherer 2024-01-11 10:05:12 +00:00
parent 3a6bf351a3
commit 5461836281
5 changed files with 49 additions and 46 deletions
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3
compiler/rustc_middle/src/query/mod.rs
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@ -1294,8 +1294,7 @@ rustc_queries! {
desc { |tcx| "finding trait impls of `{}`", tcx.def_path_str(trait_id) }
}
query specialization_graph_of(trait_id: DefId) -> &'tcx specialization_graph::Graph {
arena_cache
query specialization_graph_of(trait_id: DefId) -> Result<&'tcx specialization_graph::Graph, ErrorGuaranteed> {
desc { |tcx| "building specialization graph of trait `{}`", tcx.def_path_str(trait_id) }
cache_on_disk_if { true }
}