8259978: PPC64 builds broken after JDK-8258004

Reviewed-by: lucy, iklam

src/hotspot/cpu/ppc/nativeInst_ppc.hpp

@@ -30,6 +30,9 @@
 #include "runtime/icache.hpp"
 #include "runtime/os.hpp"
 #include "runtime/safepointMechanism.hpp"
+#ifdef COMPILER2
+#include "opto/c2_globals.hpp"
+#endif
 
 // We have interfaces for the following instructions:
 //

src/hotspot/share/oops/method.cpp

@@ -69,6 +69,7 @@
 #include "runtime/safepointVerifiers.hpp"
 #include "runtime/sharedRuntime.hpp"
 #include "runtime/signature.hpp"
+#include "runtime/vm_version.hpp"
 #include "services/memTracker.hpp"
 #include "utilities/align.hpp"
 #include "utilities/quickSort.hpp"