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ruby-changes:19798

From: yugui <ko1@a...>
Date: Tue, 31 May 2011 09:13:32 +0900 (JST)
Subject: [ruby-changes:19798] yugui:r31843 (ruby_1_9_2): merges r31805 from trunk into ruby_1_9_2.

yugui	2011-05-31 09:13:21 +0900 (Tue, 31 May 2011)

  New Revision: 31843

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=31843

  Log:
    merges r31805 from trunk into ruby_1_9_2.
    --
    * numeric.c (int_pow): make sure to assign the result of x * z.
      If xz is optimized out, the value won't overflow.

  Modified files:
    branches/ruby_1_9_2/ChangeLog
    branches/ruby_1_9_2/numeric.c
    branches/ruby_1_9_2/version.h

Index: ruby_1_9_2/ChangeLog
===================================================================
--- ruby_1_9_2/ChangeLog	(revision 31842)
+++ ruby_1_9_2/ChangeLog	(revision 31843)
@@ -1,3 +1,8 @@
+Mon May 30 10:26:51 2011  NARUSE, Yui  <naruse@r...>
+
+	* numeric.c (int_pow): make sure to assign the result of x * z.
+	  If xz is optimized out, the value won't overflow.
+
 Sun May 29 15:09:05 2011  Nobuyoshi Nakada  <nobu@r...>
 
 	* numeric.c (flo_round): fix for negative value.
Index: ruby_1_9_2/numeric.c
===================================================================
--- ruby_1_9_2/numeric.c	(revision 31842)
+++ ruby_1_9_2/numeric.c	(revision 31843)
@@ -2573,7 +2573,7 @@
 	    y >>= 1;
 	}
 	{
-	    long xz = x * z;
+	    volatile long xz = x * z;
 	    if (!POSFIXABLE(xz) || xz / x != z) {
 		goto bignum;
 	    }
Index: ruby_1_9_2/version.h
===================================================================
--- ruby_1_9_2/version.h	(revision 31842)
+++ ruby_1_9_2/version.h	(revision 31843)
@@ -1,5 +1,5 @@
 #define RUBY_VERSION "1.9.2"
-#define RUBY_PATCHLEVEL 260
+#define RUBY_PATCHLEVEL 261
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 9
 #define RUBY_VERSION_TEENY 1

--
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