[clang] assign the correct parent in update to ParentMap

ssahasra · ssahasra · commit 61b806f43b2d · 2025-01-08T12:03:25.000+05:30
This fixes a bug that slipped into #121736.
diff --git a/clang/lib/AST/ParentMap.cpp b/clang/lib/AST/ParentMap.cpp
@@ -41,7 +41,7 @@ static void BuildParentMap(MapTy& M, Stmt* S,
       if (OVMode == OV_Opaque)
         break;
       // Update the entry in transparent mode, and clear existing state.
-      Iter->second = SF;
+      Iter->second = S;
       for (Stmt *SubStmt : S->children())
         M.erase(SubStmt);
     }

Original file line number	Diff line number	Diff line change
`@@ -41,7 +41,7 @@ static void BuildParentMap(MapTy& M, Stmt* S,`
`41`	`41`	`if (OVMode == OV_Opaque)`
`42`	`42`	`break;`
`43`	`43`	`// Update the entry in transparent mode, and clear existing state.`
`44`		`- Iter->second = SF;`
	`44`	`+ Iter->second = S;`
`45`	`45`	`for (Stmt *SubStmt : S->children())`
`46`	`46`	`M.erase(SubStmt);`
`47`	`47`	`}`