[Sema] Avoid repeated hash lookups (NFC) (#126428)

kazutakahirata · web-flow · commit f6f052625e77 · 2025-02-09T13:33:03.000-08:00
diff --git a/clang/lib/Sema/JumpDiagnostics.cpp b/clang/lib/Sema/JumpDiagnostics.cpp
@@ -786,8 +786,7 @@ void JumpScopeChecker::VerifyIndirectJumps() {
     if (CHECK_PERMISSIVE(!LabelAndGotoScopes.count(TheLabel->getStmt())))
       continue;
     unsigned LabelScope = LabelAndGotoScopes[TheLabel->getStmt()];
-    if (!TargetScopes.contains(LabelScope))
-      TargetScopes[LabelScope] = TheLabel;
+    TargetScopes.try_emplace(LabelScope, TheLabel);
   }
 
   // For each target scope, make sure it's trivially reachable from

Original file line number	Diff line number	Diff line change
`@@ -786,8 +786,7 @@ void JumpScopeChecker::VerifyIndirectJumps() {`
`786`	`786`	`if (CHECK_PERMISSIVE(!LabelAndGotoScopes.count(TheLabel->getStmt())))`
`787`	`787`	`continue;`
`788`	`788`	`unsigned LabelScope = LabelAndGotoScopes[TheLabel->getStmt()];`
`789`		`- if (!TargetScopes.contains(LabelScope))`
`790`		`- TargetScopes[LabelScope] = TheLabel;`
	`789`	`+ TargetScopes.try_emplace(LabelScope, TheLabel);`
`791`	`790`	`}`
`792`	`791`
`793`	`792`	`// For each target scope, make sure it's trivially reachable from`