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/* { dg-do compile } */

/* { dg-options "-Wc++-compat" } */

struct s1 { int f; };

typedef int s2;

void

f1 ()

{

  typedef int s1;

  struct s2 { int f; };

}

struct s3 { int f; };

typedef struct s3 s3;

typedef struct s4 s4;

struct s4 { int f; };

struct s5 { int f; };   /* { dg-message "note: originally defined here" } */

typedef int s5;         /* { dg-warning "invalid in C\[+\]\[+\]" } */

typedef int s6;         /* { dg-message "note: originally defined here" } */

struct s6 { int f; };   /* { dg-warning "invalid in C\[+\]\[+\]" } */

void

f2 ()

{

  struct s7 { int f; }; /* { dg-message "note: originally defined here" } */

  typedef int s7;       /* { dg-warning "invalid in C\[+\]\[+\]" } */

  typedef int s8;       /* { dg-message "note: originally defined here" } */

  struct s8 { int f; }; /* { dg-warning "invalid in C\[+\]\[+\]" } */

  struct s9 { int f; };

  { typedef int s9; }

  typedef int s10;

  { struct s10 { int f; }; }

}

enum e1 { A };

typedef int e2;

void

f3 ()

{

  typedef int e1;

  enum e2 { B };

}

enum e3 { C };

typedef enum e3 e3;

enum e5 { E };          /* { dg-message "note: originally defined here" } */

typedef int e5;         /* { dg-warning "invalid in C\[+\]\[+\]" } */

typedef int e6;         /* { dg-message "note: originally defined here" } */

enum e6 { F };          /* { dg-warning "invalid in C\[+\]\[+\]" } */

void

f4 ()

{

  enum e7 { G };        /* { dg-message "note: originally defined here" } */

  typedef int e7;       /* { dg-warning "invalid in C\[+\]\[+\]" } */

  typedef int e8;       /* { dg-message "note: originally defined here" } */

  enum e8 { H };        /* { dg-warning "invalid in C\[+\]\[+\]" } */

  enum e9 { I };

  { typedef int e9; }

  typedef int e10;

  { enum e10 { J }; }

}