Merge pull request #20434 from ShoyuVanilla/diag-fix-again

ShoyuVanilla · web-flow · commit 9db05508ed08 · 2025-08-11T15:35:38.000Z
fix: Panic while trying to clear old diagnostics while there's nothing
diff --git a/crates/rust-analyzer/src/diagnostics.rs b/crates/rust-analyzer/src/diagnostics.rs
@@ -105,7 +105,7 @@ impl DiagnosticCollection {
         flycheck_id: usize,
         generation: DiagnosticsGeneration,
     ) {
-        if self.check[flycheck_id].generation < generation {
+        if self.check.get(flycheck_id).is_some_and(|it| it.generation < generation) {
             self.clear_check(flycheck_id);
         }
     }
