Re: [C/C++ PATCH] Handle enum bit-fields for -Wswitch (PR c/61405, PR c/53874)

[Jason Merrill]

On 09/19/2014 09:29 AM, Marek Polacek wrote:

-      orig_type = TREE_TYPE (cond);
+      /* Handle enum bit-fields.  */
+      tree field;
+      if (TREE_CODE (cond) == COMPONENT_REF
+         && (field = TREE_OPERAND (cond, 1))
+         && DECL_BIT_FIELD_TYPE (field)
+         && TREE_CODE (DECL_BIT_FIELD_TYPE (field)) == ENUMERAL_TYPE)
+       orig_type = DECL_BIT_FIELD_TYPE (field);
+      else
+       orig_type = TREE_TYPE (cond);

You want unlowered_expr_type here.

Jason