diff options
Diffstat (limited to 'gcc/bitmap.c')
| -rw-r--r-- | gcc/bitmap.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/gcc/bitmap.c b/gcc/bitmap.c index aeaf2ea00e1..f2fd2bdb510 100644 --- a/gcc/bitmap.c +++ b/gcc/bitmap.c @@ -624,11 +624,13 @@ bitmap_clear_bit (bitmap head, int bit) BITMAP_WORD bit_val = ((BITMAP_WORD) 1) << bit_num; bool res = (ptr->bits[word_num] & bit_val) != 0; if (res) - ptr->bits[word_num] &= ~bit_val; - - /* If we cleared the entire word, free up the element. */ - if (bitmap_element_zerop (ptr)) - bitmap_element_free (head, ptr); + { + ptr->bits[word_num] &= ~bit_val; + /* If we cleared the entire word, free up the element. */ + if (!ptr->bits[word_num] + && bitmap_element_zerop (ptr)) + bitmap_element_free (head, ptr); + } return res; } |