RFR: 8277090 : jsr166 refresh for jdk19

[Doug Lea]

On 5/1/22 08:29, Doug Lea wrote:
> This is the jsr166 refresh for jdk19. Seehttps://bugs.openjdk.java.net/browse/JDK-8285450  andhttps://bugs.openjdk.java.net/browse/JDK-8277090

Hopefully a harmless glitch: An initially bad merge with 
(https://github.com/openjdk/jdk/commit/bba456a8dbf9027e4b015567c17a79fc7441aa08 
8285676: Add missing @param <https://github.com/param> tags for type 
parameters on classes) caused some unrelated commits to be added to this 
PR.


>
> -------------
>
> Commit messages:
>   - whitespace
>   - sync with loom
>   - 8276202: LogFileOutput.invalid_file_vm asserts when being executed from a read only working directory
>   - 8284981: Support the vectorization of some counting-down loops in SLP
>   - 8284992: Fix misleading Vector API doc for LSHR operator
>   - 8254759: [TEST_BUG] [macosx] javax/swing/JInternalFrame/4202966/IntFrameCoord.html fails
>   - 8285945: [BACKOUT] JDK-8285802 AArch64: Consistently handle offsets in MacroAssembler as 64-bit quantities
>   - 8284331: Add sanity check for signal handler modification warning.
>   - 8285773: Replace Algorithms.eatMemory(...) with WB.fullGC() in vmTestbase/gc/gctests/ReferencesGC/ReferencesGC.java
>   - 8284883: JVM crash: guarantee(sect->end() <= sect->limit()) failed: sanity on AVX512
>   - ... and 6 more:https://git.openjdk.java.net/jdk/compare/3d07b3c7...501a21e8
>
> Changes:https://git.openjdk.java.net/jdk/pull/8490/files
>   Webrev:https://webrevs.openjdk.java.net/?repo=jdk&pr=8490&range=00
>    Issue:https://bugs.openjdk.java.net/browse/JDK-8277090
>    Stats: 3750 lines in 30 files changed: 2060 ins; 656 del; 1034 mod
>    Patch:https://git.openjdk.java.net/jdk/pull/8490.diff
>    Fetch: git fetchhttps://git.openjdk.java.net/jdk  pull/8490/head:pull/8490
>
> PR:https://git.openjdk.java.net/jdk/pull/8490