https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106726
--- Comment #3 from Zdenek Sojka <zsojka at seznam dot cz> --- This can now be also observed on the x86_64 target, with -mlam=u57: $ x86_64-pc-linux-gnu-gcc -fsanitize=hwaddress -fstack-check=generic -fexceptions -mlam=u57 testcase.c testcase.c: In function 'foo': testcase.c:4:1: error: dead statement in EH table 4 | foo (void) | ^~~ # _4 = VDEF <.MEM_2> _5 = __builtin_alloca_with_align (64, 512); during GIMPLE pass: asan0 testcase.c:4:1: internal compiler error: verify_gimple failed 0x141d106 verify_gimple_in_cfg(function*, bool, bool) /repo/gcc-trunk/gcc/tree-cfg.cc:5647 0x12c0e20 execute_function_todo /repo/gcc-trunk/gcc/passes.cc:2091 0x12c13cb execute_todo /repo/gcc-trunk/gcc/passes.cc:2145 Please submit a full bug report, with preprocessed source (by using -freport-bug). Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions.