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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [sequence-pt-2.c] - Blame information for rev 298

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Line No. Rev Author Line
1 298 jeremybenn
/* More sequence point warning tests  */
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/* { dg-do compile } */
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/* { dg-options "-Wsequence-point" } */
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struct s { struct s *nxt; int v; } q;
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int x[10];
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int foo(int *p)
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{
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  int i = 0;
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  /* Test general-lvalue sequence point warnings  */
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  (*p) = (*p)++; /* { dg-warning "undefined" "sequence point warning" } */
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  p[3] = p[3]++; /* { dg-warning "undefined" "sequence point warning" } */
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  p[i] = p[i]++; /* { dg-warning "undefined" "sequence point warning" } */
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  x[3] = x[3]++; /* { dg-warning "undefined" "sequence point warning" } */
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  q.nxt->nxt->v = q.nxt->nxt->v++; /* { dg-warning "undefined" "sequence point warning" } */
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  /* test expressions that appear elsewhere in the C grammar */
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  { int a = i-i++; (void)a;} /* { dg-warning "undefined" "sequence point warning" } */
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  if ((i-i++) != 0) /* { dg-warning "undefined" "sequence point warning" } */
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    return i-i++; /* { dg-warning "undefined" "sequence point warning" } */
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  for (i-i++;;)  /* { dg-warning "undefined" "sequence point warning" } */
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    ;
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  for (; (i-i++) != 0; )  /* { dg-warning "undefined" "sequence point warning" } */
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    ;
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  for (;;i-i++)  /* { dg-warning "undefined" "sequence point warning" } */
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    ;
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  while ((i-i++) != 0)  /* { dg-warning "undefined" "sequence point warning" } */
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    ;
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  do {} while ((i-i++) != 0);  /* { dg-warning "undefined" "sequence point warning" } */
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  switch (i-i++) {  /* { dg-warning "undefined" "sequence point warning" } */
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  case 0: return 1;
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  }
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  return 0;
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}

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