[Bug tree-optimization/106422] [13 Regression] ice in duplicate_block, at cfghooks.cc:1115

[dcb314 at hotmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106422

--- Comment #2 from David Binderman <dcb314 at hotmail dot com> ---
Reduced source code is

int semanage_exec_prog_sh_0;
void vfork() __attribute__((__leaf__));
void semanage_reload_policy() {
  char argv;
  if (argv)
    semanage_exec_prog_sh_0 = __FUNCTION__;
  vfork();
  for (; argv;)
    free(argv);
}