#define CONST_CAST_RTX(X) CONST_CAST(struct rtx_def *, (X))
#define CONST_CAST_BB(X) CONST_CAST(struct basic_block_def *, (X))
-/* Activate -Wcast-qual as a warning (not an error/-Werror). */
+/* Activate -Wcast-qual and -Wc++-compat as warnings (not errors via
+ the -Werror flag). */
#if GCC_VERSION >= 4003
#pragma GCC diagnostic warning "-Wcast-qual"
+#pragma GCC diagnostic warning "-Wc++-compat"
/* If asserts are disabled, activate -Wuninitialized as a warning (not
an error/-Werror). */
-#ifndef ASSERT_CHECKING
+#ifndef ENABLE_ASSERT_CHECKING
#pragma GCC diagnostic warning "-Wuninitialized"
#endif
#endif