[wide-int 3/5] Fix large widths in shifted_mask

[Richard Sandiford]

Very minor, but since shifted_mask copes with out-of-range widths,
I think mask should too.

Tested on x86_64-linux-gnu.  OK to install?

Thanks,
Richard


Index: gcc/wide-int.cc
===================================================================
--- gcc/wide-int.cc     2014-04-25 09:26:57.025944460 +0100
+++ gcc/wide-int.cc     2014-04-25 09:37:16.873811137 +0100
@@ -716,7 +716,7 @@ wi::mask (HOST_WIDE_INT *val, unsigned i
   gcc_assert (width < 4 * MAX_BITSIZE_MODE_ANY_INT);
   gcc_assert (prec <= 4 * MAX_BITSIZE_MODE_ANY_INT);
 
-  if (width == prec)
+  if (width >= prec)
     {
       val[0] = negate ? 0 : -1;
       return 1;