+2007-02-19 Alexandre Oliva <aoliva@redhat.com>
+
+ * tree-sra.c (sra_build_assignment): Replace assertion
+ checking with a comment explaining why it can't be done.
+
2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
PR middle-end/30833
static tree
sra_build_assignment (tree dst, tree src)
{
-#if 0 /* ENABLE_CHECKING */
- /* This test ought to pass, but it is unfortunately too strict for
- now. */
- gcc_assert (TYPE_CANONICAL (TYPE_MAIN_VARIANT (TREE_TYPE (dst)))
- == TYPE_CANONICAL (TYPE_MAIN_VARIANT (TREE_TYPE (src))));
-#endif
+ /* It was hoped that we could perform some type sanity checking
+ here, but since front-ends can emit accesses of fields in types
+ different from their nominal types and copy structures containing
+ them as a whole, we'd have to handle such differences here.
+ Since such accesses under different types require compatibility
+ anyway, there's little point in making tests and/or adding
+ conversions to ensure the types of src and dst are the same.
+ So we just assume type differences at this point are ok. */
return build2 (GIMPLE_MODIFY_STMT, void_type_node, dst, src);
}