maintainer-feedback requested: [Bug 236566] java/openjdk8: clang 8 crashes during build on aarch64 (blocks 647 ports)

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Bugzilla Automation <bugzilla at FreeBSD.org> has asked freebsd-java mailing list
<java at FreeBSD.org> for maintainer-feedback:
Bug 236566: java/openjdk8: clang 8 crashes during build on aarch64 (blocks 647
ports)
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236566



--- Description ---
$ poudriere jail -cj head-aarch64 -x -a arm64.aarch64 -v head -m svn+https
$ poudriere testport -j head-aarch64 java/openjdk8
[...]
Compiling
/usr/ports/java/openjdk8/work/openjdk/hotspot/src/share/vm/oops/instanceKlass.c
pp
Assertion failed: (isa<X>(Val) && "cast<Ty>() argument of incompatible type!"),
function cast, file /usr/src/contrib/llvm/include/llvm/Support/Casting.h, line
255.
c++: error: unable to execute command: Abort trap (core dumped)
c++: error: clang frontend command failed due to signal (use -v to see
invocation)
FreeBSD clang version 8.0.0 (branches/release_80 355677) (based on LLVM 8.0.0)
Target: aarch64-unknown-freebsd13.0
Thread model: posix
InstalledDir: /usr/bin

http://thunderx1.nyi.freebsd.org/data/head-arm64-default/p495404_s345044/logs/e
rrors/openjdk8-8.202.8.log