[jdk11u-dev] RFR: 8234605: C2 failed "assert(C->live_nodes() - live_at_begin <= 2 * _nodes_required) failed: Bad node estimate: actual = 208 >> request = 101"

[Martin Doerr]

Clean Backport of JDK-8234605.

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Commit messages:
 - Backport d19f2bdec01eb324d200f2144293d05ea310f9b8

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/889/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=889&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8234605
  Stats: 7 lines in 1 file changed: 3 ins; 0 del; 4 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/889.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/889/head:pull/889

PR: https://git.openjdk.java.net/jdk11u-dev/pull/889