diff options
Diffstat (limited to 'gcc/tree-ssa.c')
| -rw-r--r-- | gcc/tree-ssa.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/gcc/tree-ssa.c b/gcc/tree-ssa.c index 128b4e8..f7306b1 100644 --- a/gcc/tree-ssa.c +++ b/gcc/tree-ssa.c @@ -1117,12 +1117,8 @@ useless_type_conversion_p_1 (tree outer_type, tree inner_type) != get_alias_set (TREE_TYPE (outer_type)))) return false; - /* Do not lose casts from const qualified to non-const - qualified. */ - if ((TYPE_READONLY (TREE_TYPE (outer_type)) - != TYPE_READONLY (TREE_TYPE (inner_type))) - && TYPE_READONLY (TREE_TYPE (inner_type))) - return false; + /* We do not care for const qualification of the pointed-to types + as const qualification has no semantic value to the middle-end. */ /* Do not lose casts to restrict qualified pointers. */ if ((TYPE_RESTRICT (outer_type) |