Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/scripts/gcc-plugins/gcc-common.h b/scripts/gcc-plugins/gcc-common.h
index 552d5ef..17f0607 100644
--- a/scripts/gcc-plugins/gcc-common.h
+++ b/scripts/gcc-plugins/gcc-common.h
@@ -150,8 +150,12 @@
void dump_gimple_stmt(pretty_printer *, gimple, int, int);
#endif
+#ifndef __unused
#define __unused __attribute__((__unused__))
+#endif
+#ifndef __visible
#define __visible __attribute__((visibility("default")))
+#endif
#define DECL_NAME_POINTER(node) IDENTIFIER_POINTER(DECL_NAME(node))
#define DECL_NAME_LENGTH(node) IDENTIFIER_LENGTH(DECL_NAME(node))