[jdk11u-dev] RFR: 8256934: C2: assert(C->live_nodes() <= C->max_node_limit()) failed: Live Node limit exceeded limit

[Goetz Lindenmaier]

I backport this for parity with 11.0.19-oracle.

I resolved one hunk in loopopts.cpp because 11 uses old-style formatting.

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Commit messages:
 - Backport 9ad19f7838e6f6e128583c191c5507c1e2bd5083

Changes: https://git.openjdk.org/jdk11u-dev/pull/1620/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1620&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8256934
  Stats: 15 lines in 1 file changed: 12 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/1620.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev pull/1620/head:pull/1620

PR: https://git.openjdk.org/jdk11u-dev/pull/1620