Fix bad use of GCC version regex in runtest.py
Fix bad use of GCC version regex in runtest.py

cython/cython,cython/cython,da-woods/cython,scoder/cython,cython/cython,scoder/cython,cython/cython,da-woods/cython,da-woods/cython,scoder/cython,scoder/cython,da-woods/cython