https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99115
--- Comment #4 from Uroš Bizjak <ubizjak at gmail dot com> --- Compiles OK with: GNU C++14 (GCC) version 8.4.1 20210216 [releases/gcc-8 revision c6513400d84:39c49bc104d:1f3a07da9b6bcfa4733750826746bd18ac6f20db] (alpha-unknown-openbsd6.8) built as a cross from x86_64-linux-gnu, and configured with: --target=alpha-unknown-openbsd6.8 Please try to trigger the ICE with the x86_64 crosscompiler.