Hi, Revision 189453:
http://gcc.gnu.org/ml/gcc-cvs/2012-07/msg00357.html removes type attribute comparison in gimple_types_compatible_p_1 and caused PR middle-end/53959 and PR bootstrap/53963. This restores type attribute comparison. Tested on Linux/x86-64. OK to install? Thanks. H.J. --- 2012-07-14 H.J. Lu <hongjiu...@intel.com> PR middle-end/53959 PR bootstrap/53963 * gimple.c (gimple_types_compatible_p_1): Restore type attribute comparison. diff --git a/gcc/gimple.c b/gcc/gimple.c index b419591..4d2a0f5 100644 --- a/gcc/gimple.c +++ b/gcc/gimple.c @@ -3422,6 +3422,10 @@ gimple_types_compatible_p_1 (tree t1, tree t2, type_pair_t p, goto different_types; } + /* If their attributes are not the same they can't be the same type. */ + if (!attribute_list_equal (TYPE_ATTRIBUTES (t1), TYPE_ATTRIBUTES (t2))) + goto different_types; + /* Do type-specific comparisons. */ switch (TREE_CODE (t1)) {
