I am testing the following patch to fix a typo(?) in the hash
function for location ad-hoc data. The current hash function
causes 1000 collisions for each search when building tramp3d.
Bootstrap and regtest running on x86_64-unknown-linux-gnu.
Richard.
2012-09-25 Richard Guenther <rguent...@suse.de>
PR middle-end/54704
* line-map.c (location_adhoc_data_hash): Fix.
Index: libcpp/line-map.c
===================================================================
--- libcpp/line-map.c (revision 191706)
+++ libcpp/line-map.c (working copy)
@@ -58,7 +58,7 @@ location_adhoc_data_hash (const void *l)
{
const struct location_adhoc_data *lb =
(const struct location_adhoc_data *) l;
- return (hashval_t) lb->locus + (size_t) &lb->data;
+ return (hashval_t) lb->locus + (size_t) lb->data;
}
/* Compare function for location_adhoc_data hashtable. */
