1 files changed, 9 insertions, 1 deletions
diff --git a/gcc/go/go-lang.c b/gcc/go/go-lang.c
index 4a05799..e47036f 100644
--- a/gcc/go/go-lang.c
+++ b/gcc/go/go-lang.c
@@ -377,9 +377,17 @@ go_langhook_type_for_mode (machine_mode mode, int unsignedp)
      make sense for the middle-end to ask the frontend for a type
      which the frontend does not support.  However, at least for now
      it is required.  See PR 46805.  */
-  if (VECTOR_MODE_P (mode)
+  if (GET_MODE_CLASS (mode) == MODE_VECTOR_BOOL
       && valid_vector_subparts_p (GET_MODE_NUNITS (mode)))
     {
+      unsigned int elem_bits = vector_element_size (GET_MODE_BITSIZE (mode),
+						    GET_MODE_NUNITS (mode));
+      tree bool_type = build_nonstandard_boolean_type (elem_bits);
+      return build_vector_type_for_mode (bool_type, mode);
+    }
+  else if (VECTOR_MODE_P (mode)
+	   && valid_vector_subparts_p (GET_MODE_NUNITS (mode)))
+    {
       tree inner;
 
       inner = go_langhook_type_for_mode (GET_MODE_INNER (mode), unsignedp);