RFR: 8344026: [s390x] ubsan failure: signed integer overflow in c1_LIRGenerator_s390.cpp [v4]

[Amit Kumar]

> This PR adds `c > 0 && c < max_jint` check in c1_LIRGenerator_s390.cpp. Please look JBS for more info.

Amit Kumar has updated the pull request incrementally with one additional commit since the last revision:

  remove dummy code

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Changes:
  - all: https://git.openjdk.org/jdk/pull/22144/files
  - new: https://git.openjdk.org/jdk/pull/22144/files/9820b9cf..1823bfc1

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=22144&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=22144&range=02-03

  Stats: 18 lines in 1 file changed: 0 ins; 18 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/22144.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22144/head:pull/22144

PR: https://git.openjdk.org/jdk/pull/22144