Do not test preallocated output for inplace outs

Also, do not return a preallocated map it if is empty, and fill "previous" storage with default value.

Do not test preallocated output for inplace outs
be9316f0 · Pascal Lamblin · 4c2d9e04 · be9316f0
--- a/theano/compile/debugmode.py
+++ b/theano/compile/debugmode.py