File: Wcxx-compat-4.c

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gcc-arm-none-eabi 15%3A14.2.rel1-1
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/* { dg-do compile } */
/* { dg-options "-Wc++-compat" } */
enum E1 { A, B, C };
enum E2 { D, E, F };

enum E1 g1;
enum E2 g2;

void
f1 ()
{
  int a;
  int d;
  enum E1 e1;
  enum E2 e2;
  a = A;
  a = !B;
  d = E;
  e1 = A;
  e1 = D;		/* { dg-warning "invalid in C\[+\]\[+\]" } */
  e1 = 0;		/* { dg-warning "invalid in C\[+\]\[+\]" } */
  e1 = (enum E1) 0;
  e1 = (enum E2) 0;	/* { dg-warning "invalid in C\[+\]\[+\]" } */
  e1 = e2;		/* { dg-warning "invalid in C\[+\]\[+\]" } */
  e1 = g1;
  e1 = g2;		/* { dg-warning "invalid in C\[+\]\[+\]" } */
  e2 = A;		/* { dg-warning "invalid in C\[+\]\[+\]" } */
  e2 = D;
}

struct s { enum E1 e1 : 3; };

void
f2 (struct s sv)
{
  sv.e1 = A;
  sv.e1 = D;		/* { dg-warning "invalid in C\[+\]\[+\]" } */
  g1 = sv.e1;
  g2 = sv.e1;		/* { dg-warning "invalid in C\[+\]\[+\]" } */
}

void
f3 (struct s *pv)
{
  pv->e1 = A;
  pv->e1 = D;		/* { dg-warning "invalid in C\[+\]\[+\]" } */
  g1 = pv->e1;
  g2 = pv->e1;		/* { dg-warning "invalid in C\[+\]\[+\]" } */
}