[jdk11u-dev] RFR: Merge jdk11u:master

[Goetz Lindenmaier]

Merge build tag 11.0.13+7 from jdk11u to jdk11u-dev

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Commit messages:
 - Merge
 - 8277529: SIGSEGV in C2 CompilerThread Node::rematerialize() compiling Packet::readUnsignedTrint

The merge commit only contains trivial merges, so no merge-specific webrevs have been generated.

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/720/files
  Stats: 173 lines in 3 files changed: 161 ins; 7 del; 5 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/720.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/720/head:pull/720

PR: https://git.openjdk.java.net/jdk11u-dev/pull/720