Build is broken when configure with --with-jvm-features=-g1gc,-jfr,-shenandoahgc.

$ sh configure --with-boot-jdk=/home/aoqi/jdk-13 --with-jvm-features=-g1gc,-jfr,-shenandoahgc
...

$ make images

Output:
...
Creating support/symbols/ct.sym
Updating support/src.zip
/home/loongson/aoqi/jdk/src/hotspot/share/memory/metaspaceShared.cpp: In static member function 'static void MetaspaceShared::preload_and_dump(Thread*)':
/home/loongson/aoqi/jdk/src/hotspot/share/memory/metaspaceShared.cpp:1694:42: error: invalid use of incomplete type 'class SoftRefPolicy'
       Universe::heap()->soft_ref_policy()->set_should_clear_all_soft_refs(true);
                                          ^
In file included from /home/loongson/aoqi/jdk/src/hotspot/share/precompiled/precompiled.hpp:37:0,
                 from /home/loongson/aoqi/jdk/src/hotspot/share/memory/metaspaceShared.cpp:25:
/home/loongson/aoqi/jdk/src/hotspot/share/gc/shared/collectedHeap.hpp:54:7: note: forward declaration of 'class SoftRefPolicy'
 class SoftRefPolicy;
       ^
/home/loongson/aoqi/jdk/src/hotspot/share/memory/metaspaceShared.cpp:1696:42: error: invalid use of incomplete type 'class SoftRefPolicy'
       Universe::heap()->soft_ref_policy()->set_should_clear_all_soft_refs(false);
                                          ^
In file included from /home/loongson/aoqi/jdk/src/hotspot/share/precompiled/precompiled.hpp:37:0,
                 from /home/loongson/aoqi/jdk/src/hotspot/share/memory/metaspaceShared.cpp:25:
/home/loongson/aoqi/jdk/src/hotspot/share/gc/shared/collectedHeap.hpp:54:7: note: forward declaration of 'class SoftRefPolicy'
 class SoftRefPolicy;
       ^
At global scope:
cc1plus: warning: unrecognized command line option '-Wno-misleading-indentation'
cc1plus: warning: unrecognized command line option '-Wno-implicit-fallthrough'
cc1plus: warning: unrecognized command line option '-Wno-int-in-bool-context'
lib/CompileJvm.gmk:175: recipe for target '/home/loongson/aoqi/jdk/build/linux-x86_64-server-release/hotspot/variant-server/libjvm/objs/metaspaceShared.o' failed
make[3]: *** [/home/loongson/aoqi/jdk/build/linux-x86_64-server-release/hotspot/variant-server/libjvm/objs/metaspaceShared.o] Error 1
make[3]: *** Waiting for unfinished jobs....
make/Main.gmk:257: recipe for target 'hotspot-server-libs' failed
make[2]: *** [hotspot-server-libs] Error 1

ERROR: Build failed for target 'images' in configuration 'linux-x86_64-server-release' (exit code 2)

=== Output from failing command(s) repeated here ===
* For target hotspot_variant-server_libjvm_objs_metaspaceShared.o:
/home/loongson/aoqi/jdk/src/hotspot/share/memory/metaspaceShared.cpp: In static member function 'static void MetaspaceShared::preload_and_dump(Thread*)':
/home/loongson/aoqi/jdk/src/hotspot/share/memory/metaspaceShared.cpp:1694:42: error: invalid use of incomplete type 'class SoftRefPolicy'
       Universe::heap()->soft_ref_policy()->set_should_clear_all_soft_refs(true);
                                          ^
In file included from /home/loongson/aoqi/jdk/src/hotspot/share/precompiled/precompiled.hpp:37:0,
                 from /home/loongson/aoqi/jdk/src/hotspot/share/memory/metaspaceShared.cpp:25:
/home/loongson/aoqi/jdk/src/hotspot/share/gc/shared/collectedHeap.hpp:54:7: note: forward declaration of 'class SoftRefPolicy'
 class SoftRefPolicy;
       ^
/home/loongson/aoqi/jdk/src/hotspot/share/memory/metaspaceShared.cpp:1696:42: error: invalid use of incomplete type 'class SoftRefPolicy'
       Universe::heap()->soft_ref_policy()->set_should_clear_all_soft_refs(false);
                                          ^
   ... (rest of output omitted)

* All command lines available in /home/loongson/aoqi/jdk/build/linux-x86_64-server-release/make-support/failure-logs.
=== End of repeated output ===

=== Make failed targets repeated here ===
lib/CompileJvm.gmk:175: recipe for target '/home/loongson/aoqi/jdk/build/linux-x86_64-server-release/hotspot/variant-server/libjvm/objs/metaspaceShared.o' failed
make/Main.gmk:257: recipe for target 'hotspot-server-libs' failed
=== End of repeated output ===

Hint: Try searching the build log for the name of the first failed target.
Hint: See doc/building.html#troubleshooting for assistance.

/home/loongson/aoqi/jdk/make/Init.gmk:305: recipe for target 'main' failed
make[1]: *** [main] Error 1
/home/loongson/aoqi/jdk/make/Init.gmk:186: recipe for target 'images' failed
make: *** [images] Error 2