Comment 3 for bug 1812223

Today on GitHub a ppc64el webhook was turned on for the systemd project. The fuzzers (built with ASan) crashed there as soon as they started with something like
```
757/758 fuzz-varlink:oss-fuzz-14708:address FAIL 0.02 s (exit status 1)

--- command ---
/usr/bin/env /tmp/autopkgtest.vdKhS9/build.g6f/systemd/build-deb/fuzz-varlink:address /tmp/autopkgtest.vdKhS9/build.g6f/systemd/test/fuzz/fuzz-varlink/oss-fuzz-14708
--- stderr ---
==24171==Shadow memory range interleaves with an existing memory mapping. ASan cannot proceed correctly. ABORTING.
==24171==ASan shadow was supposed to be located in the [0x01ffffff0000-0x11ffffffffff] range.
==24171==Process memory map follows:
```
https://github.com/systemd/systemd/pull/13568#issuecomment-545426488

I'm not sure what exactly is going on there but I'm wondering if anyone runs anything under ASan on ppc64el on a regular basis. Is it even supported there?