mrkn	2013-11-22 14:54:05 +0900 (Fri, 22 Nov 2013)

  New Revision: 43790

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=43790

  Log:
    * ext/bigdecimal/bigdecimal.c (BigMath_s_exp): Fix the inserting points
      of RB_GC_GUARDs.

  Modified files:
    trunk/ChangeLog
    trunk/ext/bigdecimal/bigdecimal.c
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 43789)
+++ ChangeLog	(revision 43790)
@@ -1,3 +1,8 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Fri Nov 22 14:35:00 2013  Kenta Murata  <mrkn@m...>
+
+	* ext/bigdecimal/bigdecimal.c (BigMath_s_exp): Fix the inserting points
+	  of RB_GC_GUARDs.
+
 Fri Nov 22 14:31:00 2013  Kenta Murata  <mrkn@m...>
 
 	* ext/bigdecimal/bigdecimal.c: Fix indentation.
Index: ext/bigdecimal/bigdecimal.c
===================================================================
--- ext/bigdecimal/bigdecimal.c	(revision 43789)
+++ ext/bigdecimal/bigdecimal.c	(revision 43790)
@@ -2711,22 +2711,22 @@ BigMath_s_exp(VALUE klass, VALUE x, VALU https://github.com/ruby/ruby/blob/trunk/ext/bigdecimal/bigdecimal.c#L2711
 	else {
 	    Real* vy;
 	    vy = VpCreateRbObject(prec, "#0");
-	    RB_GC_GUARD(vy->obj);
 	    VpSetInf(vy, VP_SIGN_POSITIVE_INFINITE);
+	    RB_GC_GUARD(vy->obj);
 	    return ToValue(vy);
 	}
     }
     else if (nan) {
 	Real* vy;
 	vy = VpCreateRbObject(prec, "#0");
-	RB_GC_GUARD(vy->obj);
 	VpSetNaN(vy);
+	RB_GC_GUARD(vy->obj);
 	return ToValue(vy);
     }
     else if (vx == NULL) {
 	cannot_be_coerced_into_BigDecimal(rb_eArgError, x);
     }
-    x = RB_GC_GUARD(vx->obj);
+    x = vx->obj;
 
     n = prec + rmpd_double_figures();
     negative = VpGetSign(vx) < 0;
@@ -2734,12 +2734,12 @@ BigMath_s_exp(VALUE klass, VALUE x, VALU https://github.com/ruby/ruby/blob/trunk/ext/bigdecimal/bigdecimal.c#L2734
 	VpSetSign(vx, 1);
     }
 
-    RB_GC_GUARD(one) = ToValue(VpCreateRbObject(1, "1"));
-    RB_GC_GUARD(x1)  = one;
-    RB_GC_GUARD(y)   = one;
-    RB_GC_GUARD(d)   = y;
-    RB_GC_GUARD(z)   = one;
-    i  = 0;
+    one = ToValue(VpCreateRbObject(1, "1"));
+    x1  = one;
+    y   = one;
+    d   = y;
+    z   = one;
+    i   = 0;
 
     while (!VpIsZero((Real*)DATA_PTR(d))) {
 	VALUE argv[2];
@@ -2772,6 +2772,13 @@ BigMath_s_exp(VALUE klass, VALUE x, VALU https://github.com/ruby/ruby/blob/trunk/ext/bigdecimal/bigdecimal.c#L2772
 	vprec = SSIZET2NUM(prec - VpExponent10(DATA_PTR(y)));
 	return BigDecimal_round(1, &vprec, y);
     }
+
+    RB_GC_GUARD(one);
+    RB_GC_GUARD(x);
+    RB_GC_GUARD(x1);
+    RB_GC_GUARD(y);
+    RB_GC_GUARD(d);
+    RB_GC_GUARD(z);
 }
 
 /* call-seq:

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