Segmentation fault on building numpy

[gaiar]

Building numpy 1.6.0 dies with segfault:

numpy/core/src/npymath/npy_math_complex.c.src: In function 'npy_casinhf': numpy/core/src/npymath/npy_math_complex.c.src:1445:21: warning: unused variable 'pio2_hi' [-Wunused-variable] const @type@ pio2_hi = NPY_PI_2@c@; ^~~~~~~ numpy/core/src/npymath/npy_math_complex.c.src:1434:30: warning: unused variable 'pio2_lo' [-Wunused-variable] const volatile npy_float pio2_lo = 7.5497899549e-9f; ^~~~~~~ numpy/core/src/npymath/npy_math_complex.c.src: In function 'npy_casinh': numpy/core/src/npymath/npy_math_complex.c.src:1445:22: warning: unused variable 'pio2_hi' [-Wunused-variable] const @type@ pio2_hi = NPY_PI_2@c@; ^~~~~~~ numpy/core/src/npymath/npy_math_complex.c.src:1438:31: warning: unused variable 'pio2_lo' [-Wunused-variable] const volatile npy_double pio2_lo = 6.1232339957367659e-17; ^~~~~~~ numpy/core/src/npymath/npy_math_complex.c.src: In function 'npy_casinhl': numpy/core/src/npymath/npy_math_complex.c.src:1445:26: warning: unused variable 'pio2_hi' [-Wunused-variable] const @type@ pio2_hi = NPY_PI_2@c@; ^~~~~~~ numpy/core/src/npymath/npy_math_complex.c.src:1442:35: warning: unused variable 'pio2_lo' [-Wunused-variable] const volatile npy_longdouble pio2_lo = 2.710505431213761085e-20l; ^~~~~~~ In file included from numpy/core/include/numpy/npy_math.h:548:0, from numpy/core/src/npymath/npy_math_common.h:9, from numpy/core/src/npymath/npy_math_complex.c.src:34: numpy/core/src/npymath/npy_math_internal.h.src: In function 'npy_cacoshf': numpy/core/src/npymath/npy_math_internal.h.src:482:12: internal compiler error: Segmentation fault return @kind@@c@(x, y); ^~~~~~~~~~~~~~~ Please submit a full bug report, with preprocessed source if appropriate. See <https://gcc.gnu.org/bugs/> for instructions.

Which information should I provide for best debugging approach?

uname:
uname -a Linux scw-gifted-ardinghelli 4.15.11-mainline-rev1 #1 SMP Mon Mar 19 08:29:15 UTC 2018 aarch64 aarch64 aarch64 GNU/Linux

cpuinfo:

cat /proc/cpuinfo processor : 0 BogoMIPS : 200.00 Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics cpuid CPU implementer : 0x43 CPU architecture: 8 CPU variant : 0x1 CPU part : 0x0a1 CPU revision : 1