[jdk17u-dev] RFR: 8310126: C1: Missing receiver null check in Reference::get intrinsic [v2]

[Aleksey Shipilev]

> Clean backport to fix JDK 11 regression in C1.
> 
> Additional testing:
>  - [x] New test fails before the patch, passes with it
>  - [ ] Linux AArch64 fastdebug `tier1 tier2 tier3`

Aleksey Shipilev has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains two additional commits since the last revision:

 - Merge branch 'master' into JDK-8310126-c1-reference-get
 - Backport 02aaab12e331e5a4c249f1d281c4439e2e7c914f

-------------

Changes:
  - all: https://git.openjdk.org/jdk17u-dev/pull/1474/files
  - new: https://git.openjdk.org/jdk17u-dev/pull/1474/files/693d3f78..1ddd8a45

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1474&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1474&range=00-01

  Stats: 148 lines in 12 files changed: 125 ins; 7 del; 16 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1474.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1474/head:pull/1474

PR: https://git.openjdk.org/jdk17u-dev/pull/1474