[lworld] RFR: Merge jdk

[Tobias Hartmann]

Merging master -> lworld.

Follow-up bugs:
https://bugs.openjdk.java.net/browse/JDK-8265719
https://bugs.openjdk.java.net/browse/JDK-8265725
https://bugs.openjdk.java.net/browse/JDK-8265720
https://bugs.openjdk.java.net/browse/JDK-8265726

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Commit messages:
 - Merge jdk
 - 8265421: java/lang/String/StringRepeat.java test is missing a memory requirement
 - 8265106: IGV: Enforce en-US locale while parsing ideal graph
 - 8265483: All-caps “JAVA” in the top navigation bar
 - 8265411: Avoid unnecessary Method::init_intrinsic_id calls
 - 8264983: Add gtest for JDK-8264008
 - 8261779: JCK test api/javax_crypto/EncryptedPrivateKeyInfo/Ctor4.html is failing with assertion error when assertions enabled
 - 8261183: Follow on to Make lists of normal filenames
 - 8258457: testlibrary_tests/ctw/JarDirTest.java fails with InvalidPathException on windows
 - 8261392: Exclude testlibrary_tests/ctw/JarDirTest.java
 - ... and 623 more: https://git.openjdk.java.net/valhalla/compare/983744f3...5c956d1e

The webrevs contain the adjustments done while merging with regards to each parent branch:
 - lworld: https://webrevs.openjdk.java.net/?repo=valhalla&pr=389&range=00.0
 - jdk: https://webrevs.openjdk.java.net/?repo=valhalla&pr=389&range=00.1

Changes: https://git.openjdk.java.net/valhalla/pull/389/files
  Stats: 167511 lines in 5223 files changed: 99203 ins; 49676 del; 18632 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/389.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/389/head:pull/389

PR: https://git.openjdk.java.net/valhalla/pull/389