pygccjit test failures with current gcc-5-branch

[doko42]

ERROR: test_get_type_error (test.ErrorTests)

Traceback (most recent call last):
File "/home/packages/gcc/python/pygccjit-0.4/tests/test.py", line 190, in test_get_type_error
ctxt.get_type(-1)
File "/gccjit/gccjit.pyx", line 53, in gccjit._gccjit.Context.get_type (gccjit/gccjit.c:2289)
OverflowError: can't convert negative value to enum gcc_jit_types