8157097: OptionsValidation/TestOptionsWithRanges.java crashes at CompactHashtableWriter::add during StringTable::copy_shared_string
Reviewed-by: dholmes, jiangli
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2096e37c4e
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4154a35318
hotspot/src/share/vm/classfile
@ -38,6 +38,7 @@
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CompactHashtableWriter::CompactHashtableWriter(int num_buckets,
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CompactHashtableStats* stats) {
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assert(DumpSharedSpaces, "dump-time only");
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assert(num_buckets > 0, "no buckets");
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_num_buckets = num_buckets;
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_num_entries = 0;
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_buckets = NEW_C_HEAP_ARRAY(GrowableArray<Entry>*, _num_buckets, mtSymbol);
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@ -740,7 +740,8 @@ void StringTable::serialize(SerializeClosure* soc, GrowableArray<MemRegion> *str
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} else {
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int num_buckets = the_table()->number_of_entries() /
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SharedSymbolTableBucketSize;
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CompactStringTableWriter writer(num_buckets,
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// calculation of num_buckets can result in zero buckets, we need at least one
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CompactStringTableWriter writer(num_buckets > 1 ? num_buckets : 1,
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&MetaspaceShared::stats()->string);
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// Copy the interned strings into the "string space" within the java heap
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