1 files changed, 3 insertions, 3 deletions
diff --git a/gcc/tree.c b/gcc/tree.c
index 4f3d678..11e0abc 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -9144,10 +9144,10 @@ int_fits_type_p (const_tree c, const_tree type)
   bool ok_for_low_bound, ok_for_high_bound;
   signop sgn_c = TYPE_SIGN (TREE_TYPE (c));
 
-  /* Short-circuit boolean types since various transformations assume that
-     they can only take values 0 and 1.  */
+  /* Non-standard boolean types can have arbitrary precision but various
+     transformations assume that they can only take values 0 and +/-1.  */
   if (TREE_CODE (type) == BOOLEAN_TYPE)
-    return integer_zerop (c) || integer_onep (c);
+    return wi::fits_to_boolean_p (c, type);
 
 retry:
   type_low_bound = TYPE_MIN_VALUE (type);