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src/hotspot/share/gc/z/zArguments.cpp
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@@ -80,10 +80,15 @@
FLAG_SET_DEFAULT(UseDynamicNumberOfGCThreads, true);
// CompressedOops/UseCompressedClassPointers not supported
FLAG_SET_DEFAULT(UseCompressedOops, false);
FLAG_SET_DEFAULT(UseCompressedClassPointers, false);
+ FLAG_SET_DEFAULT(UseSharedSpaces, false); // requires CompressedOops and CompressedClassPointers
+
+ if (DumpSharedSpaces) {
+ vm_exit_during_initialization("DumpSharedSpaces (-Xshare:dump) is not supported with ZGC.");
+ }
// ClassUnloading not (yet) supported
FLAG_SET_DEFAULT(ClassUnloading, false);
FLAG_SET_DEFAULT(ClassUnloadingWithConcurrentMark, false);
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