diff options
Diffstat (limited to 'gcc/tree-ssa.c')
| -rw-r--r-- | gcc/tree-ssa.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/tree-ssa.c b/gcc/tree-ssa.c index 9858b10..b646ded 100644 --- a/gcc/tree-ssa.c +++ b/gcc/tree-ssa.c @@ -1192,6 +1192,11 @@ useless_type_conversion_p (tree outer_type, tree inner_type) if (POINTER_TYPE_P (inner_type) && POINTER_TYPE_P (outer_type)) { + /* Do not lose casts between pointers to different address spaces. */ + if (TYPE_ADDR_SPACE (TREE_TYPE (outer_type)) + != TYPE_ADDR_SPACE (TREE_TYPE (inner_type))) + return false; + /* If the outer type is (void *) or a pointer to an incomplete record type or a pointer to an unprototyped function, then the conversion is not necessary. */ |