RFR: 8374643: Fix reference to implMethodKind in LambdaToMethod debug printf statement

[Liam Miller-Cushon]

This change extracts a local variable, to allow the commented-out printf debug statement below to work without additional modifications.


System.err.printf("*implMethodKind: %d\n", implMethodKind);

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

Commit messages:
 - 8374643: Fix reference to implMethodKind in LambdaToMethod debug printf statement

Changes: https://git.openjdk.org/jdk/pull/29072/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=29072&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8374643
  Stats: 2 lines in 1 file changed: 1 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/29072.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/29072/head:pull/29072

PR: https://git.openjdk.org/jdk/pull/29072