diff --git a/lib/libm/src/e_pow.c b/lib/libm/src/e_pow.c
index 80ac795c9d02..96a57c5ebfef 100644
--- a/lib/libm/src/e_pow.c
+++ b/lib/libm/src/e_pow.c
@@ -11,7 +11,7 @@
  */
 
 #ifndef lint
-static char rcsid[] = "$Id: e_pow.c,v 1.5 1994/08/18 23:05:51 jtc Exp $";
+static char rcsid[] = "$Id: e_pow.c,v 1.6 1994/09/13 00:40:33 jtc Exp $";
 #endif
 
 /* __ieee754_pow(x,y) return x**y
@@ -181,10 +181,6 @@ ivln2_l  =  1.92596299112661746887e-08; /* 0x3E54AE0B, 0xF85DDF44 =1/ln2 tail*/
 	}
     
     /* (x<0)**(non-int) is NaN */
-    /* CYGNUS LOCAL: This used to be
-	if((((hx>>31)+1)|yisint)==0) return (x-x)/(x-x);
-       but ANSI C says a right shift of a signed negative quantity is
-       implementation defined.  */
 	if(((((u_int32_t)hx>>31)-1)|yisint)==0) return (x-x)/(x-x);
 
     /* |y| is huge */