- AST_FLAG_COVERAGE = 1 << 12,
- AST_FLAG_BLOCK_COVERAGE = 1 << 13,
+ AST_FLAG_COVERAGE = 1 << 13,
+ AST_FLAG_BLOCK_COVERAGE = 1 << 14,
+
+ /*
+ * Propagates norefness to the IR so the unused (read/write) check can be
+ * more intelligently done.
+ */
+ AST_FLAG_NOREF = 1 << 15,