[jdk11u-dev] RFR: 8254072: AArch64: Get rid of --disable-warnings-as-errors on Windows+ARM64 build

[Reka Kovacs]

On Mon, 23 Aug 2021 15:43:20 GMT, Reka Kovacs <github.com+25946952+rnkovacs at openjdk.org> wrote:

> Despite its title, this patch only touches common code that's present before adding Windows/AArch64 support. Not a clean backport. Differences to the original commit:
> 
> - This is the first time we disable an MSVC warning for hotspot in 11, so in  `make/hotspot/lib/CompileJvm.gmk` this introduces a new `DISABLED_WARNINGS_microsoft` line.
> - We disable the same warning in  `make/hotspot/lib/CompileGtest.gmk`.
> - A tiny useless switch is removed from `src/hotspot/cpu/aarch64/aarch64.ad` that's no longer present on tip (probably not worth a separate PR).
> - <s>Changes to `src/hotspot/cpu/aarch64/frame_aarch64.cpp` don't yet include the changes from #215.</s>
> - The assert on line 1477 in `src/hotspot/cpu/aarch64/sharedRuntime_aarch64.cpp` needed some adjustment to compile. (I'm not sure how it compiles on tip, as I don't see `-Wsign-compare` turned off there either, but the types seem to be the same.)
> 
> This is part of the Windows/AArch64 port.

I did, thanks.

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PR: https://git.openjdk.java.net/jdk11u-dev/pull/280