Merge remote branch 'upstream/master'

diff --cc Cython/Compiler/ExprNodes.py
Simple merge

diff --cc Cython/Compiler/ModuleNode.py
Simple merge

diff --cc Cython/Compiler/Nodes.py
Simple merge

diff --cc Cython/Compiler/ParseTreeTransforms.py
Simple merge

diff --cc Cython/Compiler/Symtab.py
Simple merge

diff --cc tests/bugs.txt
Simple merge