https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97323
--- Comment #4 from Matthias Klose <doko at debian dot org> --- this started with a regression hunt in-between with GCC 9 and GCC 10. However the test case with a compiler configured with the extra and rtl checking already produces this ICE with 2018-01-01 and 2019-01-01 builds.
