Fix the checks on the GPU versions of the ops (again).

theano/sandbox/cuda/basic_ops.py

@@ -2512,7 +2512,7 @@ class GpuAdvancedIncSubtensor1(tensor.AdvancedIncSubtensor1, GpuOp):
 
         if ilist_.type.dtype[:3] not in ('int', 'uin'):
             raise TypeError('index must be integers')
-        if ilist_.type.broadcastable != (False,):
+        if ilist_.type.ndim != 1:
             raise TypeError('index must be vector')
         if x_.type.ndim == 0:
             raise TypeError('cannot index into a scalar')
@@ -2681,15 +2681,15 @@ class GpuAdvancedIncSubtensor1_dev20(GpuAdvancedIncSubtensor1):
 
         if ilist_.type.dtype[:3] not in ('int', 'uin'):
             raise TypeError('index must be integers')
-        if ilist_.type.broadcastable != (False,):
+        if ilist_.type.ndim != 1:
             raise TypeError('index must be vector')
         if x_.type.ndim == 0:
             raise TypeError('cannot index into a scalar')
-        if x_.type.broadcastable[0]:
-            # the caller should have made a copy of x len(ilist) times
-            raise TypeError('cannot index into a broadcastable dimension')
 
-        return Apply(self, [x_, y_, ilist_], [x_.type()])
+        bcast = (ilist_.broadcastable[0],) + x_.broadcastable[1:]
+        return Apply(self, [x_, y_, ilist_],
+                     [CudaNdarrayType(dtype=x_.dtype,
+                                      broadcastable=bcast)()])
 
     def c_code_cache_version(self):
         return (2,)