track_errors use a delay_span_bug

BoxyUwU · BoxyUwU · commit 3fca95a5976a · 2022-11-18T13:25:17.000Z
diff --git a/compiler/rustc_session/src/session.rs b/compiler/rustc_session/src/session.rs
@@ -562,7 +562,10 @@ impl Session {
         if self.err_count() == old_count {
             Ok(result)
         } else {
-            Err(ErrorGuaranteed::unchecked_claim_error_was_emitted())
+            Err(self.delay_span_bug(
+                rustc_span::DUMMY_SP,
+                "`self.err_count()` changed but an error was not emitted",
+            ))
         }
     }
     #[allow(rustc::untranslatable_diagnostic)]

Original file line number	Diff line number	Diff line change
`@@ -562,7 +562,10 @@ impl Session {`
`562`	`562`	`if self.err_count() == old_count {`
`563`	`563`	`Ok(result)`
`564`	`564`	`} else {`
`565`		`- Err(ErrorGuaranteed::unchecked_claim_error_was_emitted())`
	`565`	`+ Err(self.delay_span_bug(`
	`566`	`+ rustc_span::DUMMY_SP,`
	`567`	+ "`self.err_count()` changed but an error was not emitted",
	`568`	`+ ))`
`566`	`569`	`}`
`567`	`570`	`}`
`568`	`571`	`#[allow(rustc::untranslatable_diagnostic)]`