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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [uninit-4-O0.c] - Blame information for rev 298

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Line No. Rev Author Line
1 298 jeremybenn
/* Spurious uninit variable warnings, case 4.
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   Simplified version of cppexp.c (cpp_parse_expr).
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   This one is really fragile, it gets it right if you take out case
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   1, or if the structure is replaced by an int, or if the structure
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   has fewer members (!) */
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/* { dg-do compile } */
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/* { dg-options "-Wuninitialized" } */
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extern void abort (void);
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struct operation {
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    short op;
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    char rprio;
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    char flags;
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    char unsignedp;
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    long value;
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};
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extern struct operation cpp_lex (void);
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void
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cpp_parse_expr (void)
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{
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  int rprio; /* { dg-bogus "rprio" "uninitialized variable warning PR19833" } */
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  struct operation op;
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  for (;;)
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    {
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      op = cpp_lex ();
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      switch (op.op)
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        {
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        case 0:
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          break;
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        case 1:
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          return;
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        case 2:
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          rprio = 1;
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          break;
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        default:
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          return;
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        }
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      if (op.op == 0)
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        return;
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      if (rprio != 1)
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        abort();
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    }
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}

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