Fix stack shuffle such that sj includes si and the last element actually

gets a chance to be reordered.

diff --git a/gnu/gcc/gcc/cfgexpand.c b/gnu/gcc/gcc/cfgexpand.c
index d69855d..17aff16 100644 (file)
--- a/gnu/gcc/gcc/cfgexpand.c
+++ b/gnu/gcc/gcc/cfgexpand.c
@@ -438,7 +438,7 @@ partition_stack_vars (void)
       for (si = n - 1; si > 0; si--)
        {
          size_t tmp;
-         sj = arc4random_uniform(si);
+         sj = arc4random_uniform(si + 1);
 
          tmp = stack_vars_sorted[si];
          stack_vars_sorted[si] = stack_vars_sorted[sj];