Hi. This patch caused:
gcc /home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/compile/990625-2.c -O3 -g -fno-tree-dce -c during GIMPLE pass: ifcvt /home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/compile/990625-2.c: In function ‘broken030599’: /home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/compile/990625-2.c:2:1: internal compiler error: Segmentation fault 2 | broken030599(int *n) | ^~~~~~~~~~~~ 0xe32f1f crash_signal ../../gcc/toplev.c:328 0x7ffff7999f1f ??? /usr/src/debug/glibc-2.31-3.1.x86_64/signal/../sysdeps/unix/sysv/linux/x86_64/sigaction.c:0 0x104ffe5 verify_use ../../gcc/tree-ssa.c:884 0x1054607 verify_ssa(bool, bool) ../../gcc/tree-ssa.c:1161 0xd4fb05 execute_function_todo ../../gcc/passes.c:1992 0xd507ae execute_todo ../../gcc/passes.c:2039 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions. Martin