> The warning 'local variable is initialized but not referenced' should be 
> enabled in the JDK native libs build on Windows with MSVC.
> We could could do it first with the JDK native libs, because Hotspot contains 
> a lot of debug-only assert code that triggers those warnings in product 
> builds, JDK has less of these asserts.
> GCC seems to have already similar/related warnings (but they are disabled for 
> some libs).
> 
> Warning description :
> https://learn.microsoft.com/en-us/cpp/error-messages/compiler-warnings/compiler-warning-level-4-c4189?view=msvc-170
> 
> ---------
> - [x] I confirm that I make this contribution in accordance with the [OpenJDK 
> Interim AI Policy](https://openjdk.org/legal/ai).

Matthias Baesken has updated the pull request incrementally with one additional 
commit since the last revision:

  DEBUG build needs more adjustments in java_md.c

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/32298/files
  - new: https://git.openjdk.org/jdk/pull/32298/files/4365bf89..18ada20f

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=32298&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=32298&range=00-01

  Stats: 4 lines in 1 file changed: 0 ins; 2 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/32298.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/32298/head:pull/32298

PR: https://git.openjdk.org/jdk/pull/32298

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