diff options
Diffstat (limited to 'gcc/tree.def')
| -rw-r--r-- | gcc/tree.def | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/tree.def b/gcc/tree.def index 33eb3b7..36b91f0 100644 --- a/gcc/tree.def +++ b/gcc/tree.def @@ -470,7 +470,11 @@ DEFTREECODE (INDIRECT_REF, "indirect_ref", tcc_reference, 1) OBJ_TYPE_REF_OBJECT: Is the object on whose behalf the lookup is being performed. Through this the optimizers may be able to statically determine the dynamic type of the object. - OBJ_TYPE_REF_TOKEN: An integer index to the virtual method table. */ + OBJ_TYPE_REF_TOKEN: An integer index to the virtual method table. + The integer index should have as type the original type of + OBJ_TYPE_REF_OBJECT; as pointer type conversions are useless in GIMPLE, + the type of OBJ_TYPE_REF_OBJECT can change to an unrelated pointer + type during optimizations. */ DEFTREECODE (OBJ_TYPE_REF, "obj_type_ref", tcc_expression, 3) /* Used to represent the brace-enclosed initializers for a structure or an |