8155034: [TESTBUG] ctw tests fail to compile: module reads package sun.reflect from both jdk.unsupported and java.base
Summary: Replace sun.reflect with jdk.internal.reflect
Reviewed-by: iignatyev, ddmitriev
8153835: Fix range of flag MaxDirectMemorySize which is parsed at jlong
Summary: Changed MaxDirectMemorySize type to uint64_t and set max to max_jlong
Reviewed-by: goetz, simonis