6868486: timouts and outOfMemory in regression tests

Summary: Increase timeout for tests and heap size for 6851282 test.
Reviewed-by: never, cfang

test/compiler/6826736/Test.java

@@ -27,7 +27,7 @@
  * @bug 6826736
  * @summary CMS: core dump with -XX:+UseCompressedOops
  *
- * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -Xbatch -XX:+ScavengeALot -XX:+UseCompressedOops -XX:HeapBaseMinAddress=32g -XX:CompileThreshold=100 -XX:CompileOnly=Test.test -XX:-BlockLayoutRotateLoops -XX:LoopUnrollLimit=0 Test
+ * @run main/othervm/timeout=600 -XX:+IgnoreUnrecognizedVMOptions -Xbatch -XX:+ScavengeALot -XX:+UseCompressedOops -XX:HeapBaseMinAddress=32g -XX:CompileThreshold=100 -XX:CompileOnly=Test.test -XX:-BlockLayoutRotateLoops -XX:LoopUnrollLimit=0 Test
  */
 
 public class Test {

test/compiler/6851282/Test.java

@@ -27,7 +27,7 @@
  * @bug 6851282
  * @summary JIT miscompilation results in null entry in array when using CompressedOops
  *
- * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCompressedOops Test
+ * @run main/othervm/timeout=600 -Xmx256m -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCompressedOops Test
  */
 
 import java.util.ArrayList;