RFR: 8322781: C1: Debug build crash in GraphBuilder::vmap() when print stats [v3]

[Denghui Dong]

> Hi,
> 
> Could I have a review of this fix patch that fixes a crash problem in the debug build when -XX:+PrintValueNumbering -XX:+Verbose -XX:-UseLocalValueNumbering
> 
> Thanks

Denghui Dong has updated the pull request incrementally with two additional commits since the last revision:

 - update
 - update

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/17205/files
  - new: https://git.openjdk.org/jdk/pull/17205/files/3d5280ce..3408bc02

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=17205&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=17205&range=01-02

  Stats: 3 lines in 1 file changed: 1 ins; 1 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/17205.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/17205/head:pull/17205

PR: https://git.openjdk.org/jdk/pull/17205