Unwind callinfo (mrb->c->ci) when a fiber termitates with error.
Fix
MODIFY
src/vm.c
src/vm.c
@@ -850,6 +850,7 @@ mrb_vm_run(mrb_state *mrb, struct RProc *proc, mrb_value self, unsigned int stac
mrb_irep *irep = proc->body.irep;
mrb_value result;
struct mrb_context *c = mrb->c;
+ int cioff = c->ci - c->cibase;
if (!c->stack) {
stack_init(mrb);
@@ -859,6 +860,9 @@ mrb_vm_run(mrb_state *mrb, struct RProc *proc, mrb_value self, unsigned int stac
stack_extend(mrb, stack_keep);
c->stack[0] = self;
result = mrb_vm_exec(mrb, proc, irep->iseq);
+ if (c->ci - c->cibase > cioff) {
+ c->ci = c->cibase + cioff;
+ }
mrb->c = c;
return result;
}

Unwind callinfo (mrb->c->ci) when a fiber termitates with error.

Fix #3668