From 0e7a25bd4e8fb8bbc2e3fb703c99054510824baf Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 1 May 2014 13:52:36 +0000
Subject: parse.y: abort at inappropriate symbol

* parse.y (must_be_dynamic_symbol): abort if inappropriate symbol
  is given, which should never happen.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45777 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 parse.y | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/parse.y b/parse.y
index 2bf554372b..8fda1d9459 100644
--- a/parse.y
+++ b/parse.y
@@ -10457,12 +10457,13 @@ static ID intern_str(VALUE str);
 static void
 must_be_dynamic_symbol(VALUE x)
 {
-    if (STATIC_SYM_P(x)) {
-	rb_raise(rb_eTypeError, "wrong argument %+"PRIsVALUE" (expected dynamic Symbol)", x);
+    st_data_t data;
+    if (STATIC_SYM_P(x) && lookup_id_str(RSHIFT((unsigned long)(x),RUBY_SPECIAL_SHIFT), &data)) {
+	rb_bug("wrong argument :%s (inappropriate Symbol)", RSTRING_PTR((VALUE)data));
     }
     if (SPECIAL_CONST_P(x) || BUILTIN_TYPE(x) != T_SYMBOL) {
-	rb_raise(rb_eTypeError, "wrong argument type %s (expected Symbol)",
-		 rb_builtin_class_name(x));
+	rb_bug("wrong argument type %s (expected Symbol)",
+	       rb_builtin_class_name(x));
     }
 }
 
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