[Bug c++/59083] -fisolate-erroneous-paths produces illegal instruction with enabled -fprofile-generate

[law at redhat dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59083

--- Comment #8 from Jeffrey A. Law <law at redhat dot com> ---
Should be fixed via recent commits.  Specifically, we preserve the *0 for code
that wants to catch the null pointer deref.