test: yet another fix for ASan detection

This time for ppc64le:

```
100737c4:	5d 55 f9 4b 	bl      10008d20 <00000024.plt_call.__asan_report_load8>
100737f4:	4d 55 f9 4b 	bl      10008d40 <00000024.plt_call.__asan_handle_no_return>
10073884:	5d 50 f9 4b 	bl      100088e0 <00000024.plt_call.__asan_init>
1007388c:	75 54 f9 4b 	bl      10008d00 <00000024.plt_call.__asan_version_mismatch_check_v8>
100738a0:	41 36 f9 4b 	bl      10006ee0 <00000024.plt_call.__asan_register_globals>
100738f0:	71 4c f9 4b 	bl      10008560 <00000024.plt_call.__asan_unregister_globals>
```