Revert of Non-pattern rewriting revisited

src/ast/ast-expression-rewriter.cc

Index: src/ast/ast-expression-rewriter.cc
diff --git a/src/ast/ast-expression-rewriter.cc b/src/ast/ast-expression-rewriter.cc
index edee91d3a19d7164c7ca80b3dccce60218f67501..49cc7f6ff4df6ccf4f27e40c369750df949b74c6 100644
--- a/src/ast/ast-expression-rewriter.cc
+++ b/src/ast/ast-expression-rewriter.cc
@@ -398,10 +398,10 @@
 }
 
 
-void AstExpressionRewriter::VisitRewritableExpression(
-    RewritableExpression* node) {
-  REWRITE_THIS(node);
-  AST_REWRITE(Expression, node->expression(), node->Rewrite(replacement));
+void AstExpressionRewriter::VisitRewritableAssignmentExpression(
+    RewritableAssignmentExpression* node) {
+  REWRITE_THIS(node);
+  AST_REWRITE_PROPERTY(Expression, node, expression);
 }