text: Title: NumPy build segfaults on PPC64LE CI
  Body: See e.g. [this CI run](https://github.com/numpy/numpy/actions/runs/13594514623/job/38008217836). This started happening in the last day or two.
  
  ```
  44/384] Compiling C object numpy/_core/_struct_ufunc_tests.cpython-310-powerpc64le-linux-gnu.so.p/src_umath__struct_ufunc_tests.c.o
  [45/384] Linking static target numpy/_core/lib_umath_tests_mtargets.a
  FAILED: numpy/_core/lib_umath_tests_mtargets.a 
  rm -f numpy/_core/lib_umath_tests_mtargets.a && gcc-ar csrDT numpy/_core/lib_umath_tests_mtargets.a numpy/_core/lib_umath_tests.dispatch.h_baseline.a.p/src_umath__umath_tests.dispatch.c.o numpy/_core/lib_umath_tests.dispatch.h_VSX3.a.p/src_umath__umath_tests.dispatch.c.o
  Segmentation fault (core dumped)
  ```
  
  It looks like the linker segfaults? Maybe a QEMU emulation bug?