use isa_and_present helper

a-tarasyuk · a-tarasyuk · commit 3efff6ca1726 · 2025-04-22T19:02:01.000+03:00
diff --git a/clang/lib/Parse/ParseCXXInlineMethods.cpp b/clang/lib/Parse/ParseCXXInlineMethods.cpp
@@ -143,7 +143,7 @@ NamedDecl *Parser::ParseCXXInlineMethodDef(
     }
 
     Decl *PrevDecl = FnD->getPreviousDecl();
-    if (PrevDecl && isa<FunctionDecl>(PrevDecl) &&
+    if (isa_and_present<FunctionDecl>(PrevDecl) &&
         PrevDecl->getLexicalDeclContext() == FnD->getLexicalDeclContext()) {
       Actions.CheckForFunctionRedefinition(FnD->getAsFunction(),
                                            cast<FunctionDecl>(PrevDecl));

Original file line number	Diff line number	Diff line change
`@@ -143,7 +143,7 @@ NamedDecl *Parser::ParseCXXInlineMethodDef(`
`143`	`143`	`}`
`144`	`144`
`145`	`145`	`Decl *PrevDecl = FnD->getPreviousDecl();`
`146`		`- if (PrevDecl && isa<FunctionDecl>(PrevDecl) &&`
	`146`	`+ if (isa_and_present<FunctionDecl>(PrevDecl) &&`
`147`	`147`	`PrevDecl->getLexicalDeclContext() == FnD->getLexicalDeclContext()) {`
`148`	`148`	`Actions.CheckForFunctionRedefinition(FnD->getAsFunction(),`
`149`	`149`	`cast<FunctionDecl>(PrevDecl));`