[bug-diffutils] gnulib test-float failure on ppc

[Tim Waugh]

Hi,

I'm seeing the gnulib test-float test fail on PPC (with exit status 134,
i.e. SIGFPE) with the gnulib shipped along with diffutils-3.2.

This patch works around it:

diff -up diffutils-3.2/gnulib-tests/test-float.c.mantdig
diffutils-3.2/gnulib-tests/test-float.c
--- diffutils-3.2/gnulib-tests/test-float.c.mantdig     2011-09-02 
00:38:42.000000000 +0200
+++ diffutils-3.2/gnulib-tests/test-float.c     2011-09-22 11:12:53.142761914 
+0200
@@ -325,7 +325,11 @@ test_long_double (void)
     int n;
 
     ASSERT (m + m > m);
+#if (defined _ARCH_PPC || defined _POWER)
+    for (n = 0; n <= 2 * DBL_MANT_DIG; n++)
+#else
     for (n = 0; n <= 2 * LDBL_MANT_DIG; n++)
+#endif
       {
         volatile long double pow2_n = pow2l (n); /* 2^n */
         volatile long double x = m + (m / pow2_n);

Here's the original bug report:
  https://bugzilla.redhat.com/show_bug.cgi?id=733536

Tim.
*/

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