llvm-project/llvm/test/FrontendC/2002-02-18-64bitConstant.c

// RUN: %llvmgcc -S %s -o - | llvm-as -o /dev/null

/* GCC wasn't handling 64 bit constants right fixed */

#include <stdio.h>

int main() {
  long long Var = 123455678902ll;
  printf("%lld\n", Var);
}