Merge

8036091: compiler/membars/DekkerTest.java fails with -XX:CICompilerCount=1 Summary: Start test with -XX:-TieredCompilation so that one compiler thread works Reviewed-by: kvn, twisti

Merge

8036092: [TESTBUG] compiler/uncommontrap/TestSpecTrapClassUnloading.java fails with: Unrecognized VM option 'UseTypeSpeculation' Summary: Add -XX:+IgnoreUnrecognizedVMOptions to @main/othervm to make the test pass on Client VM Reviewed-by: kvn, roland

8036619: Shark: add LLVM 3.4 support Reviewed-by: twisti

8036614: AIX: fix adjust-mflags.sh to build with GNU Make 4.0 (adapt 8028407 for AIX) Reviewed-by: kvn

8036100: Default method returns true for a while, and then returns false Reviewed-by: kvn, jrose

8025842: Convert warning("Thread holding lock at safepoint that vm can block on") to fatal(...) Reviewed-by: iveresov, roland, coleenp

8035828: Turn on @Stable support in VM Reviewed-by: jrose, twisti

8035887: VM crashes trying to force inlining the recursive call Reviewed-by: kvn, twisti

8031818: Experimental VM flag for enforcing safe object construction Summary: -XX:+AlwaysSafeConstructors to unconditionally emit the trailing constructor barrier. Reviewed-by: kvn, roland

8033380: Experimental VM flag to enforce access atomicity Summary: -XX:+AlwaysAtomicAccesses to unconditionally enforce the access atomicity. Reviewed-by: roland, kvn, iveresov

8007270: Make IsMethodCompilable test work with tiered Summary: Only c2 compiles counts toward cutoff Reviewed-by: kvn, roland

8035946: Use ResourceHashtable for dependency checking Summary: Use ResourceHashtable for dependency checking and delete GenericHashtable Reviewed-by: kvn, coleenp

8033990: Add message to verbose output to indicate when JVM was unable to use shared archive (with -Xshare:auto) Summary: Added message to indicate when sharing was attempted but failed Reviewed-by: coleenp, ctornqvi

8036122: Fix warning 'format not a string literal' Reviewed-by: mduigou, kvn

8036547: test/runtime/CompressedOops/CompressedClassPointers.java fails with product build since -XX:+PrintMiscellaneous is a debug only flag Summary: Use PrintCompressedOopsMode and these other flags that match printing compressed oop information Reviewed-by: ctornqvi, sla

Merge

8035735: Metaspace::contains become extremely slow in some cases Summary: Call is_metadata instead which does less work for the call in debugInfo.hpp which is called for all compiled code stack frames. Reviewed-by: jmasa, dcubed

8036102: part of the fix for 6498581 lost in mismerge Summary: Restore code lost in mis-merge Reviewed-by: dcubed

6471769: Error: assert(_cur_stack_depth == count_frames(),"cur_stack_depth out of sync") Summary: It is more safe to get/update data for suspended threads at a safepoint Reviewed-by: dcubed, twisti, dholmes Contributed-by: serguei.spitsyn@oracle.com

Merge

8035893: JVM_GetVersionInfo fails to zero structure Reviewed-by: sla, zgu

8036010: hs: Some jtreg tests use hard coded ports Summary: bind to an ephemeral port Reviewed-by: jbachorik, sla