From cb4b042777d6ad293d9df21343bcfb6d579ecaea Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Wed, 22 Nov 2017 12:19:40 +0900
Subject: Remove fixed argument of `ecall()`; ref #3855 #3856

---
 src/vm.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/vm.c b/src/vm.c
index 2c2d74db1..98a218178 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -306,7 +306,7 @@ cipop(mrb_state *mrb)
 void mrb_exc_set(mrb_state *mrb, mrb_value exc);
 
 static void
-ecall(mrb_state *mrb, int i)
+ecall(mrb_state *mrb)
 {
   struct RProc *p;
   int nregs;
@@ -316,6 +316,7 @@ ecall(mrb_state *mrb, int i)
   struct REnv *env;
   ptrdiff_t cioff;
   int ai = mrb_gc_arena_save(mrb);
+  int i = --c->eidx;
 
   if (i<0) return;
   if (ci - c->cibase > MRB_FUNCALL_DEPTH_MAX) {
-- 
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