Modify SwitchStmt::child_begin()/child_end() to include the initializer for the condi...

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@92100 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/AST/Stmt.cpp b/lib/AST/Stmt.cpp
index 88950c07b637cb52cd1242b4ddaff6aba6f28643..bb5fba1ee0c33dfe9b902202843bf878a4be351c 100644 (file)
--- a/lib/AST/Stmt.cpp
+++ b/lib/AST/Stmt.cpp
@@ -103,8 +103,14 @@ void SwitchStmt::DoDestroy(ASTContext &Ctx) {
     SC->Destroy(Ctx);
     SC = Next;
   }
-
-  Stmt::DoDestroy(Ctx);
+  
+  // We do not use child_iterator here because that will include
+  // the expressions referenced by the condition variable.
+  for (Stmt **I = &SubExprs[0], **E = &SubExprs[END_EXPR]; I != E; ++I)
+    if (Stmt *Child = *I) Child->Destroy(Ctx);
+  
+  this->~Stmt();
+  Ctx.Deallocate((void *)this);
 }
 
 void CompoundStmt::setStmts(ASTContext &C, Stmt **Stmts, unsigned NumStmts) {
@@ -472,8 +478,12 @@ void IfStmt::DoDestroy(ASTContext &C) {
 }
 
 // SwitchStmt
-Stmt::child_iterator SwitchStmt::child_begin() { return &SubExprs[0]; }
-Stmt::child_iterator SwitchStmt::child_end() { return &SubExprs[0]+END_EXPR; }
+Stmt::child_iterator SwitchStmt::child_begin() {
+  return child_iterator(Var, &SubExprs[0]);
+}
+Stmt::child_iterator SwitchStmt::child_end() {
+  return child_iterator(0, &SubExprs[0]+END_EXPR);
+}
 
 // WhileStmt
 Stmt::child_iterator WhileStmt::child_begin() { return &SubExprs[0]; }