nobu	2016-10-02 07:51:23 +0900 (Sun, 02 Oct 2016)

  New Revision: 56321

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=56321

  Log:
    string.c: negative hash
    
    * string.c (rb_str_hash_m): hash values may be negative.

  Modified files:
    trunk/ChangeLog
    trunk/string.c
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 56320)
+++ ChangeLog	(revision 56321)
@@ -1,3 +1,7 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Sun Oct  2 07:51:20 2016  Nobuyoshi Nakada  <nobu@r...>
+
+	* string.c (rb_str_hash_m): hash values may be negative.
+
 Sun Oct  2 02:04:12 2016  NAKAMURA Usaku  <usa@r...>
 
 	* string.c (rb_str_hash_m): st_index_t is not guaranteed as the same
Index: string.c
===================================================================
--- string.c	(revision 56320)
+++ string.c	(revision 56321)
@@ -2964,9 +2964,9 @@ rb_str_hash_m(VALUE str) https://github.com/ruby/ruby/blob/trunk/string.c#L2964
 {
     st_index_t hval = rb_str_hash(str);
 #if SIZEOF_LONG == SIZEOF_VOIDP
-    return ULONG2NUM(hval);
+    return LONG2FIX((long)hval);
 #elif SIZEOF_LONG_LONG == SIZEOF_VOIDP
-    return ULL2NUM(hval);
+    return LL2NUM((LONG_LONG)hval);
 #else
 # error unsupported platform
 #endif

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