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Diffstat (limited to 'gcc/tree-ssa-live.c')
| -rw-r--r-- | gcc/tree-ssa-live.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/gcc/tree-ssa-live.c b/gcc/tree-ssa-live.c index 83a52a0..a624d00 100644 --- a/gcc/tree-ssa-live.c +++ b/gcc/tree-ssa-live.c @@ -111,8 +111,12 @@ var_map_base_init (var_map map) as it restricts the sets we compute conflicts for. Using TREE_TYPE to generate sets is the easies as type equivalency also holds for SSA names with the same - underlying decl. */ - m->base.from = TREE_TYPE (var); + underlying decl. + + Check gimple_can_coalesce_p when changing this code. */ + m->base.from = (TYPE_CANONICAL (TREE_TYPE (var)) + ? TYPE_CANONICAL (TREE_TYPE (var)) + : TREE_TYPE (var)); /* If base variable hasn't been seen, set it up. */ slot = tree_to_index.find_slot (m, INSERT); if (!*slot) |