GC_setup_temporary_fault_handler  803 gc/os_dep.c    	GC_setup_temporary_fault_handler();
GC_setup_temporary_fault_handler 1380 gc/os_dep.c        GC_setup_temporary_fault_handler();
GC_setup_temporary_fault_handler 1414 gc/os_dep.c        GC_setup_temporary_fault_handler();