Fix template parsing

Cython/Compiler/Parsing.pxd

@@ -131,6 +131,8 @@ cdef p_calling_convention(PyrexScanner s)
 cdef p_c_complex_base_type(PyrexScanner s)
 cpdef p_c_simple_base_type(PyrexScanner s, bint self_flag, bint nonempty, templates = *)
 cdef p_buffer_or_template(PyrexScanner s, base_type_node, templates)
+cdef is_memoryviewslice_access(PyrexScanner s)
+cdef p_memoryviewslice_access(PyrexScanner s, base_type_node)
 cdef bint looking_at_name(PyrexScanner s) except -2
 cdef bint looking_at_expr(PyrexScanner s) except -2
 cdef bint looking_at_base_type(PyrexScanner s) except -2

Cython/Compiler/Parsing.py

@@ -2048,7 +2048,8 @@ def p_bracketed_base_type(s, base_type_node, nonempty, empty):
         if is_memoryviewslice_access(s):
             return p_memoryviewslice_access(s, base_type_node)
         else:
-            return p_buffer_access(s, base_type_node)
+            return p_buffer_or_template(s, base_type_node, None)
+            # return p_buffer_access(s, base_type_node)
     elif not empty and not nonempty:
         # only anonymous C arrays and memoryview slice arrays here.  We
         # disallow buffer declarations for now, due to ambiguity with anonymous