diff options
Diffstat (limited to 'gcc/final.c')
| -rw-r--r-- | gcc/final.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/gcc/final.c b/gcc/final.c index ad92291..821a814 100644 --- a/gcc/final.c +++ b/gcc/final.c @@ -1062,12 +1062,20 @@ shorten_branches (first) if (max_labelno != max_label_num ()) { int old = max_labelno; + int n_labels; + int n_old_labels; + max_labelno = max_label_num (); + + n_labels = max_labelno - min_labelno + 1; + n_old_labels = old - min_labelno + 1; + label_align = (struct label_alignment *) xrealloc - (label_align, - (max_labelno - min_labelno + 1) * sizeof (struct label_alignment)); - memset (label_align + old + 1 - min_labelno, 0, - sizeof (struct label_alignment) * (max_labelno - old)); + (label_align, n_labels * sizeof (struct label_alignment)); + + if (n_old_labels < n_labels) + memset (label_align + n_old_labels, 0, + (n_labels - n_old_labels) * sizeof (struct label_alignment)); } /* Initialize label_align and set up uid_shuid to be strictly |