Assert for POINTER_TYPE_P in expr_callee_abi

2019-10-16  Richard Sandiford  <richard.sandiford@arm.com>

gcc/
	* function-abi.cc (expr_callee_abi): Assert for POINTER_TYPE_P.

From-SVN: r277063

gcc/ChangeLog

 2019-10-16  Richard Sandiford  <richard.sandiford@arm.com>
 
+	* function-abi.cc (expr_callee_abi): Assert for POINTER_TYPE_P.
+
+2019-10-16  Richard Sandiford  <richard.sandiford@arm.com>
+
 	* genmodes.c (mode_data::order): New field.
 	(blank_mode): Update accordingly.
 	(VECTOR_MODES_WITH_PREFIX): Add an order parameter.

gcc/function-abi.cc

@@ -249,12 +249,6 @@ expr_callee_abi (const_tree exp)
   if (type == error_mark_node)
     return default_function_abi;
 
-  if (POINTER_TYPE_P (type))
-    {
-      type = TREE_TYPE (type);
-      if (type == error_mark_node)
-	return default_function_abi;
-    }
-
-  return fntype_abi (type);
+  gcc_assert (POINTER_TYPE_P (type));
+  return fntype_abi (TREE_TYPE (type));
 }