[jdk17u-dev] RFR: 8300264: Remove metaprogramming/isPointer.hpp [v3]

[George Adams]

> Prerequisite to bumping gtest, applies cleanly

George Adams has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains six commits:

 - undo removal
 - Merge remote-tracking branch 'upstream/master' into isPointer
 - Merge remote-tracking branch 'upstream/pr/2690' into isPointer
 - Merge remote-tracking branch 'upstream/master' into conditional
 - Backport eba87a0ee0410f61ae764293986ecc162f48c707
 - Backport 4c1e66e0abe9e379926e555bd651e9fcc5a0e8b6

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Changes: https://git.openjdk.org/jdk17u-dev/pull/2691/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2691&range=02
  Stats: 106 lines in 5 files changed: 2 ins; 95 del; 9 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/2691.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/2691/head:pull/2691

PR: https://git.openjdk.org/jdk17u-dev/pull/2691