https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118795
Sam James <sjames at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|[15 Regression] ICE in |[15 Regression] ICE when |expand_expr_real_2, at |building darkradiant-3.9.0 |expr.cc:10975 |(with PCH?) | |(expand_expr_real_2, at | |expr.cc:10975) --- Comment #1 from Sam James <sjames at gcc dot gnu.org> --- You can try -DCMAKE_DISABLE_PRECOMPILE_HEADERS=ON. May need to strip it out of some CMakeLists.txt too.