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/* PR middle-end/41837 */

/* { dg-do compile } */

/* { dg-options "-fipa-struct-reorg -O -fwhole-program -fprofile-generate" } */

typedef struct { int a, b; } T1;

typedef struct S1 *T2;

typedef struct S2 *T3;

typedef struct S3 *T4;

typedef struct S4 *T5;

struct S4 { union { int c; } d; };

struct S2 { int e; T2 f; int g; };

typedef struct { T3 h; } T6;

typedef struct { int i; } *T7;

struct S3 { T6 j; T7 k; };

void

f1 (T4 x)

{

  if (!x->j.h->e)

    f5 (x);

}

void

f2 (void)

{

  f6 (f1);

}

void

f3 (T5 x, T1 *y)

{

}

void

f4 (void)

{

  f7 (f3);

}