[libstdc++] fix numeric_limits on alpha

[Richard Henderson]

Now that the test includes poking about with denormals,
we have to include -mieee for proper results.

Committed as obvious.


r~


        * testsuite/18_support/numeric_limits.cc: Add -mieee for alpha.

Index: testsuite/18_support/numeric_limits.cc
===================================================================
RCS file: /cvs/gcc/gcc/libstdc++-v3/testsuite/18_support/numeric_limits.cc,v
retrieving revision 1.13
diff -c -p -d -r1.13 numeric_limits.cc
*** testsuite/18_support/numeric_limits.cc	17 Sep 2002 01:28:50 -0000	1.13
--- testsuite/18_support/numeric_limits.cc	18 Sep 2002 18:05:27 -0000
***************
*** 1,3 ****
--- 1,5 ----
+ // { dg-options "-mieee" { target alpha*-*-* } }
+ 
  // 1999-08-23 bkoz
  
  // Copyright (C) 1999, 2001, 2002 Free Software Foundation