Index: head/lib/msun/src/s_scalbln.c
===================================================================
--- head/lib/msun/src/s_scalbln.c	(revision 277947)
+++ head/lib/msun/src/s_scalbln.c	(revision 277948)
@@ -1,76 +1,58 @@
 /*-
  * Copyright (c) 2004 David Schultz <das@FreeBSD.ORG>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
 
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
 
 #include <limits.h>
 #include <math.h>
 
 double
 scalbln (double x, long n)
 {
 	int in;
 
-	in = (int)n;
-	if (in != n) {
-		if (n > 0)
-			in = INT_MAX;
-		else
-			in = INT_MIN;
-	}
+	in = (n > INT_MAX) ? INT_MAX : (n < INT_MIN) ? INT_MIN : n;
 	return (scalbn(x, in));
 }
 
 float
 scalblnf (float x, long n)
 {
 	int in;
 
-	in = (int)n;
-	if (in != n) {
-		if (n > 0)
-			in = INT_MAX;
-		else
-			in = INT_MIN;
-	}
+	in = (n > INT_MAX) ? INT_MAX : (n < INT_MIN) ? INT_MIN : n;
 	return (scalbnf(x, in));
 }
 
 long double
 scalblnl (long double x, long n)
 {
 	int in;
 
-	in = (int)n;
-	if (in != n) {
-		if (n > 0)
-			in = INT_MAX;
-		else
-			in = INT_MIN;
-	}
-	return (scalbnl(x, (int)n));
+	in = (n > INT_MAX) ? INT_MAX : (n < INT_MIN) ? INT_MIN : n; 
+	return (scalbnl(x, in));
 }