diff --git a/Lib/compiler/pycodegen.py b/Lib/compiler/pycodegen.py
index 04c115a..7bc1795 100644
--- a/Lib/compiler/pycodegen.py
+++ b/Lib/compiler/pycodegen.py
@@ -49,7 +49,7 @@
     try:
         mod.compile(display)
     except SyntaxError, err:
-        print "SyntaxError:", err
+        raise
     else:
         f = open(filename + "c", "wb")
         mod.dump(f)
diff --git a/Lib/compiler/syntax.py b/Lib/compiler/syntax.py
index 14613ef..88c1453 100644
--- a/Lib/compiler/syntax.py
+++ b/Lib/compiler/syntax.py
@@ -39,7 +39,8 @@
     def visitAssign(self, node):
         # the transformer module handles many of these
         for target in node.nodes:
-            if isinstance(target, ast.AssList):
-                if target.lineno is None:
-                    target.lineno = node.lineno
-                self.error(target, "can't assign to list comprehension")
+            pass
+##            if isinstance(target, ast.AssList):
+##                if target.lineno is None:
+##                    target.lineno = node.lineno
+##                self.error(target, "can't assign to list comprehension")
diff --git a/Lib/compiler/transformer.py b/Lib/compiler/transformer.py
index 6e82b10..3607af1 100644
--- a/Lib/compiler/transformer.py
+++ b/Lib/compiler/transformer.py
@@ -943,6 +943,10 @@
     def com_assign_list(self, node, assigning):
         assigns = []
         for i in range(1, len(node), 2):
+            if i + 1 < len(node):
+                if node[i + 1][0] == symbol.list_for:
+                    raise SyntaxError, "can't assign to list comprehension"
+                assert node[i + 1][0] == token.COMMA, node[i + 1]
             assigns.append(self.com_assign(node[i], assigning))
         return AssList(assigns)