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Rollup merge of #120472 - Nilstrieb:die, r=compiler-errors

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Make duplicate lang items fatal

Prevents terminal spam.
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Nadrieril 2024-01-31 12:10:52 +01:00 • committed by GitHub
commit 032596e34c
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5 changed files with 26 additions and 64 deletions
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4
compiler/rustc_passes/src/lang_items.rs
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@ -149,7 +149,9 @@ impl<'ast, 'tcx> LanguageItemCollector<'ast, 'tcx> {
}
};
self.tcx.dcx().emit_err(DuplicateLangItem {
// When there's a duplicate lang item, something went very wrong and there's no value in recovering or doing anything.
// Give the user the one message to let them debug the mess they created and then wish them farewell.
self.tcx.dcx().emit_fatal(DuplicateLangItem {
local_span: item_span,
lang_item_name,
crate_name,