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vm.c (rb_source_location): check for NULL cfp->iseq

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rb_vm_get_sourceline returns zero if cfp->iseq is NULL,
so rb_iseq_path should not try to follow NULL cfp->iseq,
either.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63837 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
normal 2018-07-03 09:06:28 +00:00
parent 45cdc834c4
commit 18c7978161
1 changed files with 1 additions and 1 deletions
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2
vm.c
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@ -1291,7 +1291,7 @@ rb_source_location(int *pline)
const rb_execution_context_t *ec = GET_EC();
const rb_control_frame_t *cfp = rb_vm_get_ruby_level_next_cfp(ec, ec->cfp);
if (cfp) {
if (cfp && cfp->iseq) {
if (pline) *pline = rb_vm_get_sourceline(cfp);
return rb_iseq_path(cfp->iseq);
}