From 2ab7c5306da3a122002c499afbcb7d78b5070fd4 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 31 May 2012 06:50:22 +0000
Subject: [PATCH] vm.c: UNREACHABLE to suppress warnings

* vm.c (frame_info_{line_no,name,basename,filename,filepath}): add
  UNREACHABLE to suppress warnings.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35852 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 vm.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/vm.c b/vm.c
index 7e5e39bce6..2ca8e62537 100644
--- a/vm.c
+++ b/vm.c
@@ -848,6 +848,7 @@ frame_info_line_no(rb_frame_info_t *fi)
 	return 0;
       default:
 	rb_bug("frame_info_line_no: unreachable");
+	UNREACHABLE;
     }
 }
 
@@ -861,7 +862,7 @@ static VALUE
 frame_info_name(rb_frame_info_t *fi)
 {
     switch (fi->type) {
-      case FRAME_INFO_TYPE_ISEQ: 
+      case FRAME_INFO_TYPE_ISEQ:
       case FRAME_INFO_TYPE_ISEQ_CALCED:
 	return fi->body.iseq.iseq->location.name;
       case FRAME_INFO_TYPE_CFUNC:
@@ -869,6 +870,7 @@ frame_info_name(rb_frame_info_t *fi)
       case FRAME_INFO_TYPE_IFUNC:
       default:
 	rb_bug("frame_info_name: unreachable");
+	UNREACHABLE;
     }
 }
 
@@ -882,7 +884,7 @@ static VALUE
 frame_info_basename(rb_frame_info_t *fi)
 {
     switch (fi->type) {
-      case FRAME_INFO_TYPE_ISEQ: 
+      case FRAME_INFO_TYPE_ISEQ:
       case FRAME_INFO_TYPE_ISEQ_CALCED:
 	return fi->body.iseq.iseq->location.basename;
       case FRAME_INFO_TYPE_CFUNC:
@@ -890,7 +892,8 @@ frame_info_basename(rb_frame_info_t *fi)
       case FRAME_INFO_TYPE_IFUNC:
       default:
 	rb_bug("frame_info_basename: unreachable");
-   }
+	UNREACHABLE;
+    }
 }
 
 static VALUE
@@ -903,7 +906,7 @@ static VALUE
 frame_info_filename(rb_frame_info_t *fi)
 {
     switch (fi->type) {
-      case FRAME_INFO_TYPE_ISEQ: 
+      case FRAME_INFO_TYPE_ISEQ:
       case FRAME_INFO_TYPE_ISEQ_CALCED:
 	return fi->body.iseq.iseq->location.filename;
       case FRAME_INFO_TYPE_CFUNC:
@@ -914,6 +917,7 @@ frame_info_filename(rb_frame_info_t *fi)
       case FRAME_INFO_TYPE_IFUNC:
       default:
 	rb_bug("frame_info_filename: unreachable");
+	UNREACHABLE;
     }
 }
 
@@ -927,7 +931,7 @@ static VALUE
 frame_info_filepath(rb_frame_info_t *fi)
 {
     switch (fi->type) {
-      case FRAME_INFO_TYPE_ISEQ: 
+      case FRAME_INFO_TYPE_ISEQ:
       case FRAME_INFO_TYPE_ISEQ_CALCED:
 	return fi->body.iseq.iseq->location.filepath;
       case FRAME_INFO_TYPE_CFUNC:
@@ -938,6 +942,7 @@ frame_info_filepath(rb_frame_info_t *fi)
       case FRAME_INFO_TYPE_IFUNC:
       default:
 	rb_bug("frame_info_filepath: unreachable");
+	UNREACHABLE;
     }
 }