[jdk17u-dev] RFR: 8155701: The compiler fails with an AssertionError: typeSig ERROR [v2]

[Goetz Lindenmaier]

> I backport this for parity with 17.0.5-oracle.

Goetz Lindenmaier 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 'openjdk:master' into GoeLin-backport-1e28fcbc
 - Backport 1e28fcbc5f32103f460bc35235b3cad0cfaa69b5

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

Changes:
  - all: https://git.openjdk.org/jdk17u-dev/pull/453/files
  - new: https://git.openjdk.org/jdk17u-dev/pull/453/files/814fdcde..a93bc21e

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=453&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=453&range=00-01

  Stats: 600927 lines in 5605 files changed: 391541 ins; 165278 del; 44108 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/453.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/453/head:pull/453

PR: https://git.openjdk.org/jdk17u-dev/pull/453