*** 51,68 ****
  #endif
  
  long double
  asinl(long double x) {
          long double t, w;
  
          w = fabsl(x);
          if (isnanl(x))
                  return (x + x);
          else if (w <= half) {
                  if (w < small) {
  #ifndef lint
!                         volatile long double dummy = w + big;
                                                          /* inexact if w != 0 */
  #endif
                          return (x);
                  } else
                          return (atanl(x / sqrtl(one - x * x)));
--- 51,69 ----
  #endif
  
  long double
  asinl(long double x) {
          long double t, w;
+         volatile long double dummy;
  
          w = fabsl(x);
          if (isnanl(x))
                  return (x + x);
          else if (w <= half) {
                  if (w < small) {
  #ifndef lint
!                         dummy = w + big;
                                                          /* inexact if w != 0 */
  #endif
                          return (x);
                  } else
                          return (atanl(x / sqrtl(one - x * x)));