llvm-project/llvm/test/CFrontend/2002-02-16-RenamingTest.c

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

/* test that locals are renamed with . notation */

void abc(void *);

void Test5(double X) {
  abc(&X);
  {
    int X;
    abc(&X);
    {
      float X;
      abc(&X);
    }
  }
}