java/openjdk19: Fix the build on aarch64

* Apply a similar patch as was applied to java/openjdk17

java/openjdk19/Makefile

@@ -157,6 +157,11 @@ CONFIGURE_ARGS+=	--disable-dtrace
 .if ${ARCH} == powerpc64 && ${OSREL:C/\.[0-9]//} == 12
 EXTRA_PATCHES=		${PATCHDIR}/extra-patch-src_hotspot_cpu_ppc_vm__version__ppc.hpp
 .endif
+.if ${ARCH} == aarch64
+CONFIGURE_ARGS+=	--with-boot-jdk-jvmargs=-XX:-UseCompressedClassPointers
+MAKE_ENV+=		JAVA_TOOL_OPTIONS="-XX:-UseCompressedClassPointers"
+EXTRA_PATCHES=		${PATCHDIR}/extra-patch-src_hotspot_share_runtime_arguments.cpp
+.endif
 
 .if empty(ICONV_LIB)
 ICONV_CFLAGS=	-DLIBICONV_PLUG

java/openjdk19/files/extra-patch-src_hotspot_share_runtime_arguments.cpp

@@ -0,0 +1,21 @@
+--- src/hotspot/share/runtime/arguments.cpp.orig	2023-01-15 10:13:55.469227000 -0800
++++ src/hotspot/share/runtime/arguments.cpp	2023-01-15 10:20:49.218102000 -0800
+@@ -1557,6 +1557,10 @@
+ // set_use_compressed_oops().
+ void Arguments::set_use_compressed_klass_ptrs() {
+ #ifdef _LP64
++#  if defined(__FreeBSD__) && defined(AARCH64)
++  FLAG_SET_DEFAULT(UseCompressedClassPointers, false);
++  FLAG_SET_ERGO(UseCompressedClassPointers, false);
++#  else
+   // On some architectures, the use of UseCompressedClassPointers implies the use of
+   // UseCompressedOops. The reason is that the rheap_base register of said platforms
+   // is reused to perform some optimized spilling, in order to use rheap_base as a
+@@ -1582,6 +1586,7 @@
+       }
+     }
+   }
++#  endif // __FreeBSD__ && AARCH64
+ #endif // _LP64
+ }
+