diff options
Diffstat (limited to 'gcc/tree-streamer.c')
| -rw-r--r-- | gcc/tree-streamer.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/gcc/tree-streamer.c b/gcc/tree-streamer.c index f6181fa..b0afa1d 100644 --- a/gcc/tree-streamer.c +++ b/gcc/tree-streamer.c @@ -299,10 +299,11 @@ record_common_node (struct streamer_tree_cache_d *cache, tree node) if (!node) node = error_mark_node; - /* ??? FIXME, devise a better hash value. But the hash needs to be equal - for all frontend and lto1 invocations. So just use the position - in the cache as hash value. */ - streamer_tree_cache_append (cache, node, cache->nodes.length ()); + /* This hash needs to be equal for all frontend and lto1 invocations. So + just use the position in the cache as hash value. + Small integers are used by hash_tree to record positions within scc + hash. Values are not in same range. */ + streamer_tree_cache_append (cache, node, cache->next_idx + 0xc001); switch (TREE_CODE (node)) { |