jdk-sandbox: Changelog

6420645: Create a vm that uses compressed oops for up to 32gb heapsizes Summary: Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold

6685160: fix cscope build with hg Summary: Use hg's fstatus instead of teamware's nametable to trigger cscope database rebuild Reviewed-by: jcoomes, kamg

6684385: Loop unswitching crashes without LoopNode Summary: Without LoopNode, exit early from loop unswitching and partial peeling Reviewed-by: kvn, never, sgoldman

6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on Summary: Rewrite frame::safe_for_sender and friends to be safe for collector/analyzer Reviewed-by: dcubed, kvn

6663908: NegativeArraySizeException is not thrown Summary: Don't optimize zero length array allocations at compile time. Reviewed-by: kvn, never

6646020: assert(in_bb(n),"must be in block") in -Xcomp mode Reviewed-by: kvn, rasbold

6624474: Server compiler generates unexpected LinkageError Summary: Fix load_signature_classes to tolerate LinkageErrors Reviewed-by: kvn, never

6619271: The -Xprintflags causes the VM to segv Summary: add null checks Reviewed-by: jrose, kvn

6681577: PIT: some VM tests fails with -XX:+AggressiveOpts in 6u5p b01 Summary: C2 spends > 60% in escape analysis code during test nsk/regression/b4675027. Reviewed-by: never

6667042: PrintAssembly option does not work without special plugin Summary: remove old private plugin interface, simplify, rework old plugin to use unchanged Gnu sources Reviewed-by: kvn, rasbold

6680594: Load + Load isn't canonicalized leading to missed GVN opportunities Reviewed-by: kvn, jrose

6679708: No_Safepoint_Verifier and BacktraceBuilder have uninitialized fields Summary: fix or remove uninitialized fields Reviewed-by: kvn, rasbold

6634032: CMS: Need CMSInitiatingPermOccupancyFraction for perm, divorcing from CMSInitiatingOccupancyFraction Summary: The option CMSInitiatingPermOccupancyFraction now controls perm triggering threshold. Even though the actual value of the threshold has not yet been changed, so there is no change in policy, we now have the infrastructure in place for dynamically deciding when to collect the perm gen, an issue that will be addressed in the near future. Reviewed-by: jmasa

6686407: Fix for 6666698 broke -XX:BiasedLockingStartupDelay=0 Summary: Stack allocated VM_EnableBiasedLocking op must be marked as such Reviewed-by: xlu, acorn, never, dholmes

6615981: JVM class file parser incorrectly rejects class files with version < 45.2 Summary: A check on Code length did not take into account the old sizes of the max_stack, max_locals, and code_length. Reviewed-by: phh, sbohne

6583644: Move all managed/SCCS files out of 'build' into 'make' directory Summary: Moved makefiles out of build and build/closed into make/ Reviewed-by: kvn, ohair

6671882: memory access after free in solaris/vm/os_solaris.cpp Summary: Corrected the wrong memory access problem and made some minor clean ups Reviewed-by: dholmes, jcoomes

Added tag jdk7-b26 for changeset a00cf1fc28a8

6563616: Clarify instructions for unpacking openjdk binary "plug" 6611685: Incorrect link to CA certs info from build README 6682167: Add cygwin faq to README-builds.html Reviewed-by: xdono