8021823: G1: Concurrent marking crashes with -XX:ObjectAlignmentInBytes>=32 in 64bit VMs
Summary: Correctly calculate the initialization value for the shift between object start and bitmap bit in the G1 mark bitmaps.
Reviewed-by: tonyp
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/**
* @test Test8000311
* @key gc
* @bug 8000311
* @summary G1: ParallelGCThreads==0 broken
* @run main/othervm -XX:+UseG1GC -XX:ParallelGCThreads=0 -XX:+ResizePLAB -XX:+ExplicitGCInvokesConcurrent Test8000311
* @author filipp.zhinkin@oracle.com
*/
import java.util.*;
public class Test8000311 {
public static void main(String args[]) {
for(int i = 0; i<100; i++) {
byte[] garbage = new byte[1000];
System.gc();
}
}
}