On Mon, 12 Dec 2022 10:42:22 GMT, Justin King <jck...@openjdk.org> wrote:

>> Allow building OpenJDK with UBSan. Currently the build fails when optimizing 
>> the image due to lots of undefined behavior (it invokes the built JVM). 
>> Follow up PRs will either replace the undefined behavior with well defined 
>> behavior or suppress errors which are intentional. The goal is to make 
>> OpenJDK more well defined and thus more portable across compilers and 
>> architectures.
>
> Justin King has updated the pull request incrementally with one additional 
> commit since the last revision:
> 
>   Simplify logic for including __ubsan_default_options
>   
>   Signed-off-by: Justin King <jck...@google.com>

I guess the advantage to putting this in the build machinery (as opposed to 
using
`--with-extra-cflags=-fsanitize=undefined 
--with-extra-ldflags=-fsanitize=undefined`) is that we can turn some of these 
onn by default once we've fixed each category of UB. Is that right?

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

PR: https://git.openjdk.org/jdk/pull/11604

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