JVMCI 20-b04 released

[Doug Simon]

Changes since jvmci-20-b03 include:

• GR-16316: Exit the VM if there's an exception initializing JVMCI when compiling a method.
• GR-16369: Added HotSpotObjectConstantScope to control foreign object lifetimes.
• GR-16327: Deoptimization needs to be aware of box caching.
• GR-16485: Add workaround for JavaScript usage in the SA.
• GR-16577: Add support for cleanly exiting VM from libgraal.
• GR-15859: Ensure G1 always sees weak oops read in native JVMCI code as live.
• GR-16607: Add getArrayType to handle anonymous types.
• GR-16462: Ensure libzip.a on Darwin contains zlib object files.

The binaries are available at:

https://github.com/graalvm/openjdk8-jvmci-builder/releases/tag/jvmci-20-b04

-Doug