[Cython] Regresion in 0.19

[Lisandro Dalcin]

See the example below, the last hunk fails with Cython 0.19. It seems
Cython is confusing attribute access with constness.


CYTHON=cython

echo 'cdef import from *:' > defs.pxd
echo '    enum:SIZE'      >> defs.pxd

echo 'from defs cimport *'   > code1.pyx
echo 'cdef char buf[SIZE]'  >> code1.pyx
$CYTHON code1.pyx

echo 'cimport defs'              > code2.pyx
echo 'cdef char buf[defs.SIZE]' >> code2.pyx
$CYTHON code2.pyx


--
Lisandro Dalcin
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