diff options
Diffstat (limited to 'gcc/genmodes.c')
| -rw-r--r-- | gcc/genmodes.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/genmodes.c b/gcc/genmodes.c index f9d4829..127392c 100644 --- a/gcc/genmodes.c +++ b/gcc/genmodes.c @@ -587,7 +587,9 @@ calc_wider_mode (void) for (c = 0; c < MAX_MODE_CLASS; c++) max_n_modes = MAX (max_n_modes, n_modes[c]); - sortbuf = alloca (max_n_modes * sizeof (struct mode_data *)); + /* Allocate max_n_modes + 1 entries to leave room for the extra null + pointer assigned after the qsort call below. */ + sortbuf = alloca ((max_n_modes + 1) * sizeof (struct mode_data *)); for (c = 0; c < MAX_MODE_CLASS; c++) { |