configure.ac: avoid crashing MJIT with -fcf-protection
by avoiding using __builtin_longjmp, like r64983.
[Bug #15307]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65815 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
configure.ac: avoid crashing MJIT with -fcf-protection
by avoiding using __builtin_longjmp, like r64983.
[Bug #15307]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65815 b2dd03c8-39d4-4d8f-98ff-823fe69b080e