RFR: JDK-8300531: MSVC CFlags look suspicious [v8]

[Justin King]

On Thu, 16 Feb 2023 02:03:35 GMT, David Holmes <dholmes at openjdk.org> wrote:

> > Looks like serviceability might rely on RTTI on Windows.
> 
> Can you point to the code please? We should not be using RTTI.

Removing /GR- makes the tests pass. I think somewhere we are indirectly relying on RTTI for Windows. Maybe related to DbgEng or DbgHelp on Windows. I'll have to look more to find it. It's only some of the tests.

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PR: https://git.openjdk.org/jdk/pull/12073