Test no SEGV when setting bad MVM_*_LOG files
Test no SEGV when setting bad MVM_*_LOG files

Closes https://github.com/rakudo/rakudo/issues/1451

lucasbuchala/rakudo,tbrowder/rakudo,nbrown/rakudo,tbrowder/rakudo,rakudo/rakudo,lucasbuchala/rakudo,nbrown/rakudo,tbrowder/rakudo,rakudo/rakudo,Gnouc/rakudo,softmoth/rakudo,rakudo/rakudo,tony-o/rakudo,Gnouc/rakudo,MasterDuke17/rakudo,rakudo/rakudo,salortiz/rakudo,Gnouc/rakudo,salortiz/rakudo,tony-o/rakudo,MasterDuke17/rakudo,tony-o/rakudo,tbrowder/rakudo,tony-o/rakudo,rakudo/rakudo,softmoth/rakudo,nbrown/rakudo,salortiz/rakudo,nbrown/rakudo,Gnouc/rakudo,softmoth/rakudo,lucasbuchala/rakudo,MasterDuke17/rakudo,nbrown/rakudo,tony-o/rakudo,tbrowder/rakudo,softmoth/rakudo,labster/rakudo,rakudo/rakudo,lucasbuchala/rakudo,Gnouc/rakudo,Gnouc/rakudo,MasterDuke17/rakudo,tbrowder/rakudo,nbrown/rakudo,MasterDuke17/rakudo,labster/rakudo,tony-o/rakudo,labster/rakudo,labster/rakudo,labster/rakudo,lucasbuchala/rakudo,MasterDuke17/rakudo,salortiz/rakudo,labster/rakudo,softmoth/rakudo,salortiz/rakudo,salortiz/rakudo