Comment 14 for bug 1690519

Nhh, this is incomplete, msut add the flag to the linker, too. As I get linker errors:

[ 84%] Linking CXX executable test_scripting
Undefined symbols for architecture x86_64:
  "___asan_after_dynamic_init", referenced from:
      __GLOBAL__sub_I_notifications_test.cc in notifications_test.cc.o
and a lot more