Numpy master segfaults in Scipy testsuite #8671
Description
Current numpy (2017-02-23, f24da28) crashes in Scipy test suite.
Observed on travis, and repro locally. Crashes at
$ gdb --args python runtests.py -g -t scipy/signal/tests/test_spectral.py:TestSTFT.test_permute_axes
Program received signal SIGSEGV, Segmentation fault.
0x00007fffedea4671 in PyArray_Transpose (ap=0x7fffd9244cb0, permute=0x7fffffff9b30) at numpy/core/src/multiarray/shape.c:711
711 if (reverse_permutation[axis] != -1) {
(gdb) bt
#0 0x00007fffedea4671 in PyArray_Transpose (ap=0x7fffd9244cb0, permute=0x7fffffff9b30) at numpy/core/src/multiarray/shape.c:711
#1 0x00007fffede6b5db in array_transpose (self=0x7fffd9244cb0, args=0x7fffd97a0610) at numpy/core/src/multiarray/methods.c:1956
#2 0x00007ffff7adb7a1 in PyEval_EvalFrameEx () from /lib64/libpython2.7.so.1.0
...
Result from git bisect:
564b7cb is the first bad commit