--- old/test/jdk/com/sun/tools/jextract/test8221154/srcgentest.h	2019-04-10 19:42:07.000000000 +0530
+++ new/test/jdk/com/sun/tools/jextract/test8221154/srcgentest.h	2019-04-10 19:42:07.000000000 +0530
@@ -33,6 +33,11 @@
 #define EXPORT
 #endif
 
+// make sure that 'true', 'false' macros do not
+// generate non-compilable source!
+
+#include <stdbool.h>
+
 enum {
     R, G, B
 };