[jdk11u-dev] Integrated: 8231565: More node budget asserts in fuzzed tests

[Martin Doerr]

Basically clean backport of https://bugs.openjdk.java.net/browse/JDK-8231565
Only cleanup in PhaseIdealLoop::partial_peel (loopopts.cpp) required manual integration, but looks identical.

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Commit messages:
 - Backport 902858e3ceb43bf92ea9fa038b9edcf1ee0c48b5

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/893/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=893&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8231565
  Stats: 105 lines in 3 files changed: 86 ins; 5 del; 14 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/893.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/893/head:pull/893

PR: https://git.openjdk.java.net/jdk11u-dev/pull/893