[jdk13u-dev] RFR: 8259619: C1: 3-arg StubAssembler::call_RT stack-use condition is incorrect

[Sergey Nazarkin]

I'd like to backport JDK-8259619 to jdk13u for parity with jdk11u.
The original patch applied cleanly.

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Commit messages:
 - Backport ce9451208772

Changes: https://git.openjdk.java.net/jdk13u-dev/pull/142/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk13u-dev&pr=142&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8259619
  Stats: 4 lines in 2 files changed: 0 ins; 0 del; 4 mod
  Patch: https://git.openjdk.java.net/jdk13u-dev/pull/142.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk13u-dev pull/142/head:pull/142

PR: https://git.openjdk.java.net/jdk13u-dev/pull/142