[Bug c++/80613] ice in is_gimple_reg_type with -O2

[dcb314 at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80613

--- Comment #1 from David Binderman <dcb314 at hotmail dot com> ---
Reduced C++ code is

extern "C" void free(void *);
char *a(int);
extern "C" char *strdup(const char *);
int b;
void c() {
  for (;;) {
    char d = *a(b);
    char *e = strdup(&d);
    free(e);
  }
}