https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100402
--- Comment #11 from Hannes Domani <ssbssa at yahoo dot de> --- > Your testcase does not compile with the C compiler: > > Compiling it with the C++ compiler works for me: Sorry about the c/c++ confusion. > Created attachment 50754 [details] > Tentative fix > > Please give it a try if you can rebuild the compiler. Yes, I can confirm that this fixes the crash with my attached test, and also the original non-reduced application (which is gdb).