tree.def (COMPLEX_TYPE): Constrain element type.

2008-10-22  Richard Guenther  <rguenther@suse.de>

	* tree.def (COMPLEX_TYPE): Constrain element type.
	* tree.c (build_complex_type): Assert that.
	* tree-ssa-structalias.c (could_have_pointers): Complex types
	cannot have pointers.

From-SVN: r141299

1 files changed, 4 insertions, 0 deletions

diff --git a/gcc/tree.c b/gcc/tree.c
index 925eafe..10b50d1 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -6168,6 +6168,10 @@ build_complex_type (tree component_type)
   tree t;
   hashval_t hashcode;
 
+  gcc_assert (INTEGRAL_TYPE_P (component_type)
+	      || SCALAR_FLOAT_TYPE_P (component_type)
+	      || FIXED_POINT_TYPE_P (component_type));
+
   /* Make a node of the sort we want.  */
   t = make_node (COMPLEX_TYPE);