[Clang] Check that we have the correct RecordDecl

bwendling · tru · commit 6c1fd539e43e · 2024-10-11T08:04:20.000+02:00
Ensure we have the correct RecordDecl before returning the Expr we're
looking for.
diff --git a/clang/lib/CodeGen/CGExpr.cpp b/clang/lib/CodeGen/CGExpr.cpp
@@ -1053,7 +1053,7 @@ class StructAccessBase
   }
   const Expr *VisitCastExpr(const CastExpr *E) {
     if (E->getCastKind() == CK_LValueToRValue)
-      return E;
+      return IsExpectedRecordDecl(E) ? E : nullptr;
     return Visit(E->getSubExpr());
   }
   const Expr *VisitParenExpr(const ParenExpr *E) {

Original file line number	Diff line number	Diff line change
`@@ -1053,7 +1053,7 @@ class StructAccessBase`
`1053`	`1053`	`}`
`1054`	`1054`	`const Expr VisitCastExpr(const CastExpr E) {`
`1055`	`1055`	`if (E->getCastKind() == CK_LValueToRValue)`
`1056`		`- return E;`
	`1056`	`+ return IsExpectedRecordDecl(E) ? E : nullptr;`
`1057`	`1057`	`return Visit(E->getSubExpr());`
`1058`	`1058`	`}`
`1059`	`1059`	`const Expr VisitParenExpr(const ParenExpr E) {`