Reproducer:
#include <algorithm>

short a;
unsigned long long c;
char d;
unsigned e;

void f() {
  for (;;)
    for (char b = 0; b < 19; b += 2)
      a = std::min((1 ? d : 0) ? e : c, (unsigned long long)72252803048);
}

Error:
>$ g++ -O3 func.cpp -c
func.cpp: In function ‘void f()’:
func.cpp:8:6: error: invalid ‘PHI’ argument
    8 | void f() {
      |      ^
{CLOBBER}
_26 = PHI <72252803048(8), {CLOBBER}(5)>
during GIMPLE pass: sink
func.cpp:8:6: internal compiler error: verify_gimple failed
0x113fc71 verify_gimple_in_cfg(function*, bool)
        gcc_src/gcc/tree-cfg.c:5461
0x10132af execute_function_todo
        gcc_src/gcc/passes.c:1985
0x101408e execute_todo
        gcc_src/gcc/passes.c:2039

GCC version:
11.0.0 (bcb63eb2cbd3caf212b9cf42d8c218c09dc6ff8b)