* internal.h (USE_SYMBOL_GC): enable Symbol GC by default (USE_SYMBOL_GC == 1).

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45428 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

3 files changed, 11 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 284352d30e..0d71f579f2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Wed Mar 26 14:33:00 2014  Narihiro Nakamura  <authornari@gmail.com>
+
+	* internal.h (USE_SYMBOL_GC): enable Symbol GC by default (USE_SYMBOL_GC == 1).
+
 Tue Mar 25 22:57:11 2014  Narihiro Nakamura  <authornari@gmail.com>
 
 	* parse.y: support Symbol GC. [ruby-trunk Feature #9634]
diff --git a/internal.h b/internal.h
index 6e4cd271a0..37488bec8c 100644
--- a/internal.h
+++ b/internal.h
@@ -729,6 +729,9 @@ struct RBasicRaw {
 } while (0)
 
 /* parse.y */
+#ifndef USE_SYMBOL_GC
+#define USE_SYMBOL_GC 1
+#endif
 VALUE rb_parser_get_yydebug(VALUE);
 VALUE rb_parser_set_yydebug(VALUE, VALUE);
 int rb_is_const_name(VALUE name);
diff --git a/parse.y b/parse.y
index fa8d84ffe3..5cca05e324 100644
--- a/parse.y
+++ b/parse.y
@@ -10669,6 +10669,7 @@ rb_gc_free_dsymbol(VALUE ptr)
 VALUE
 rb_str_dynamic_intern(VALUE s)
 {
+#if USE_SYMBOL_GC
     VALUE str = RB_GC_GUARD(s);
     VALUE dup;
     rb_encoding *enc;
@@ -10704,6 +10705,9 @@ rb_str_dynamic_intern(VALUE s)
     }
 
     return dsym;
+#else
+    return rb_str_intern(s);
+#endif
 }
 
 static int