From af51a4ac9d802ce4fd28832699eb725946e90400 Mon Sep 17 00:00:00 2001
From: sdottaka <sdottaka@users.sourceforge.net>
Date: Sun, 18 Jan 2015 10:00:56 +0900
Subject: mrdb: fix crash when stepping into Proc.call

How to reproduce:

```
cat a.rb
Proc.new { 1 }.call

echo step | mrdb a.rb
```
---
 mrbgems/mruby-bin-debugger/tools/mrdb/mrdb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mrbgems/mruby-bin-debugger/tools/mrdb/mrdb.c b/mrbgems/mruby-bin-debugger/tools/mrdb/mrdb.c
index ff4d11d3a..06270401c 100755
--- a/mrbgems/mruby-bin-debugger/tools/mrdb/mrdb.c
+++ b/mrbgems/mruby-bin-debugger/tools/mrdb/mrdb.c
@@ -569,7 +569,7 @@ mrb_code_fetch_hook(mrb_state *mrb, mrb_irep *irep, mrb_code *pc, mrb_value *reg
   switch (dbg->xm) {
   case DBG_STEP:
   case DBG_NEXT:  // temporary
-    if (dbg->prvfile == file && dbg->prvline == line) {
+    if (!file || (dbg->prvfile == file && dbg->prvline == line)) {
       return;
     }
     dbg->method_bpno = 0;
-- 
cgit v1.2.3