Fix compiler crash when analysing a complex name as a type using sizeof(X)...

Fix compiler crash when analysing a complex name as a type using sizeof(X) translation. Requires type analysis before the "arg_type" is set.
Closes #1908.

Cython/Compiler/ExprNodes.py

@@ -1372,7 +1372,9 @@ def _analyse_name_as_type(name, pos, env):
         else:
             sizeof_node = declaration.root.stats[0].expr
             if isinstance(sizeof_node, SizeofTypeNode):
-                return sizeof_node.arg_type.analyse_types(env)
+                sizeof_node = sizeof_node.analyse_types(env)
+                if isinstance(sizeof_node, SizeofTypeNode):
+                    return sizeof_node.arg_type
     return None
 
 

tests/run/pure_pxd.srctree

 PYTHON setup.py build_ext --inplace
-PYTHON -c "import a; a.test()"
+PYTHON -c "import a; a.test(a)"
 
 ######## setup.py ########
 
@@ -37,6 +37,18 @@ class ExtTypeAttributes(object):
         self.b = [1, 2, 3]
 
 
+class TypedMethod():
+    """
+    >>> t = TypedMethod()
+    >>> t.meth()
+    0.0
+    """
+    def meth(self):
+        from array import array
+        x = array('d', [0.0])
+        return x[0]
+
+
 def func(a, b, c):
     """
     >>> func(1, 2, 3)
@@ -45,7 +57,7 @@ def func(a, b, c):
     return a + b + c
 
 
-def test():
+def test(module):
     import os.path
     assert not os.path.basename(__file__).endswith('.py'), __file__
     assert not os.path.basename(__file__).endswith('.pyc'), __file__
@@ -57,11 +69,14 @@ def test():
     assert '>>> ' in func.__doc__
 
     import doctest
-    doctest.testmod(verbose=True)
+    result = doctest.testmod(module, verbose=True)
+    assert not result.failed, result.failed
 
 
 ######## a.pxd ########
 
+cimport cython
+
 cdef class ExtTypePass:
     pass
 
@@ -75,4 +90,9 @@ cdef class ExtTypeAttributes:
     cdef readonly list b
 
 
+cdef class TypedMethod:
+    @cython.locals(x='double[:]')
+    cpdef meth(self)
+
+
 cpdef int func(x, int y, z) except? -1  # argument names should not matter, types should