After pulling JDK-8029007, my build in windows_x64 started failing like this:

/cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/fixpath.exe -c /cygdrive/c/progra~2/micros~2.0/vc/bin/link -nologo -opt:ref -incremental:no -safeseh -debug -dll -libpath:/cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/lib "-implib:/cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/java.lib" "-pdb:/cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/java.pdb" "-map:/cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/java.map" -out:/cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/bin/java.dll /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/AccessController.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/Array.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/AtomicLong.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/Bits.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/Class.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/ClassLoader.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/Compiler.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/Console_md.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/ConstantPool.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/Double.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/Executable.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/Field.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/FileDescriptor_md.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/FileInputStream.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/FileInputStream_md.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/FileOutputStream_md.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/Float.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/GC.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/HostLocaleProviderAdapter_md.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/MessageUtils.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/NativeAccessors.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/NativeSignalHandler.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/Object.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/ObjectInputStream.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/ObjectOutputStream.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/ObjectStreamClass.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/Package.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/ProcessEnvironment_md.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/ProcessImpl_md.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/Proxy.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/RandomAccessFile.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/RandomAccessFile_md.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/Reflection.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/Runtime.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/SecurityManager.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/Shutdown.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/Signal.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/StrictMath.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/String.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/System.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/Thread.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/Throwable.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/TimeZone.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/TimeZone_md.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/VM.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/VMSupport.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/Version.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/Win32ErrorMode.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/WinCAPISeedGenerator.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/WinNTFileSystem_md.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/WindowsPreferences.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/canonicalize_md.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/check_version.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/dirent_md.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/io_util.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/io_util_md.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/java_props_md.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/jdk_util.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/jdk_util_md.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/jio.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/jni_util.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/jni_util_md.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/logging.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/verify_stub.obj /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/java.dll.res -export:winFileHandleOpen -export:handleLseek jvm.lib /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/fdlibm.lib /cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libverify/verify.lib shell32.lib delayimp.lib -DELAYLOAD:shell32.dll advapi32.lib
   Creating library d:/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/java.lib and object d:/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/objs/libjava/java.exp
MessageUtils.obj : error LNK2019: unresolved external symbol _JNU_ThrowOutOfMemoryError referenced in function _printToFile
d:/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/bin/java.dll : fatal error LNK1120: 1 unresolved externals
lib/CoreLibraries.gmk:185: recipe for target '/cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/bin/java.dll' failed
make[2]: *** [/cygdrive/d/erik/jdk9-dev/build/windows-x86-normal-clientANDserver-release/jdk/bin/java.dll] Error 96
make[2]: Leaving directory '/cygdrive/d/erik/jdk9-dev/jdk/make'
BuildJdk.gmk:70: recipe for target 'libs-only' failed
make[1]: *** [libs-only] Error 2
make[1]: Leaving directory '/cygdrive/d/erik/jdk9-dev/jdk/make'
/cygdrive/d/erik/jdk9-dev//make/Main.gmk:115: recipe for target 'jdk-only' failed
make: *** [jdk-only] Error 2