Should call ecall() before callinfo adjustment; fix #3715

src/vm.c

@@ -1989,21 +1989,18 @@ RETRY_TRY_BLOCK:
           if (!proc->env || !MRB_ENV_STACK_SHARED_P(proc->env)) {
             goto L_BREAK_ERROR;
           }
+          while (mrb->c->eidx > mrb->c->ci->epos) {
+            ecall(mrb, --mrb->c->eidx);
+          }
           /* break from fiber block */
           if (mrb->c->ci == mrb->c->cibase && mrb->c->ci->pc) {
             struct mrb_context *c = mrb->c;
 
-            while (mrb->c->eidx > 0) {
-              ecall(mrb, --mrb->c->eidx);
-            }
             mrb->c = c->prev;
             c->prev = NULL;
             ci = mrb->c->ci;
           }
           if (ci->acc < 0) {
-            while (mrb->c->eidx > mrb->c->ci->epos) {
-              ecall(mrb, --mrb->c->eidx);
-            }
             ARENA_RESTORE(mrb, ai);
             mrb->c->vmexec = FALSE;
             mrb->exc = (struct RObject*)break_new(mrb, proc, v);