------- Additional Comments From pinskia at gcc dot gnu dot org 2005-06-06
00:54 -------
The following patch fixed the ICE but I don't know for sure if it is the
correct fix:
Index: tree-ssa.c
===============================================================
====
RCS file: /cvs/gcc/gcc/gcc/tree-ssa.c,v
retrieving revision 2.95
diff -u -p -r2.95 tree-ssa.c
--- tree-ssa.c 1 Jun 2005 02:51:05 -0000 2.95
+++ tree-ssa.c 6 Jun 2005 00:53:39 -0000
@@ -901,7 +901,9 @@ tree_ssa_useless_type_conversion_1 (tree
else if (INTEGRAL_TYPE_P (inner_type)
&& INTEGRAL_TYPE_P (outer_type)
&& TYPE_UNSIGNED (inner_type) == TYPE_UNSIGNED (outer_type)
- && TYPE_PRECISION (inner_type) == TYPE_PRECISION (outer_type))
+ && TYPE_PRECISION (inner_type) == TYPE_PRECISION (outer_type)
+ && simple_cst_equal (TYPE_MAX_VALUE (inner_type), TYPE_MAX_VALUE
(outer_type))
+ && simple_cst_equal (TYPE_MIN_VALUE (inner_type), TYPE_MIN_VALUE
(outer_type)))
{
bool first_boolean = (TREE_CODE (inner_type) == BOOLEAN_TYPE);
bool second_boolean = (TREE_CODE (outer_type) == BOOLEAN_TYPE);
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21923
