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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [Wparentheses-2.c] - Blame information for rev 816

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Line No. Rev Author Line
1 149 jeremybenn 
/* Test operation of -Wparentheses.  Warnings for X<=Y<=Z should be
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   there rather than hidden in -Wextra.  */
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/* Origin: Joseph Myers <jsm@polyomino.org.uk> */
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/* { dg-do compile } */
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/* { dg-options "-Wparentheses" } */
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int foo (int);
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int
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bar (int a, int b, int c)
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{
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  foo (a <= b <= c); /* { dg-warning "comparison" "correct warning" } */
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  foo ((a <= b) <= c);
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  foo (a <= (b <= c));
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  foo (1 <= 2 <= c); /* { dg-warning "comparison" "correct warning" } */
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  foo ((1 <= 2) <= c);
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  foo (1 <= (2 <= c));
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  foo (1 <= 2 <= 3); /* { dg-warning "comparison" "correct warning" } */
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  foo ((1 <= 2) <= 3);
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  foo (1 <= (2 <= 3));
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  foo (a > b > c); /* { dg-warning "comparison" "correct warning" } */
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  foo ((a > b) > c);
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  foo (a > (b > c));
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  foo (1 > 2 > c); /* { dg-warning "comparison" "correct warning" } */
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  foo ((1 > 2) > c);
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  foo (1 > (2 > c));
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  foo (1 > 2 > 3); /* { dg-warning "comparison" "correct warning" } */
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  foo ((1 > 2) > 3);
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  foo (1 > (2 > 3));
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  foo (a < b <= c); /* { dg-warning "comparison" "correct warning" } */
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  foo ((a < b) <= c);
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  foo (a < (b <= c));
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  foo (1 < 2 <= c); /* { dg-warning "comparison" "correct warning" } */
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  foo ((1 < 2) <= c);
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  foo (1 < (2 <= c));
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  foo (1 < 2 <= 3); /* { dg-warning "comparison" "correct warning" } */
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  foo ((1 < 2) <= 3);
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  foo (1 < (2 <= 3));
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  foo (a <= b > c); /* { dg-warning "comparison" "correct warning" } */
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  foo ((a <= b) > c);
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  foo (a <= (b > c));
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  foo (1 <= 2 > c); /* { dg-warning "comparison" "correct warning" } */
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  foo ((1 <= 2) > c);
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  foo (1 <= (2 > c));
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  foo (1 <= 2 > 3); /* { dg-warning "comparison" "correct warning" } */
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  foo ((1 <= 2) > 3);
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  foo (1 <= (2 > 3));
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  foo (a <= b == c); /* { dg-warning "comparison" "correct warning" } */
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  foo ((a <= b) == c);
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  foo (a <= (b == c));
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  foo (1 <= 2 == c); /* { dg-warning "comparison" "correct warning" } */
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  foo ((1 <= 2) == c);
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  foo (1 <= (2 == c));
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  foo (1 <= 2 == 3); /* { dg-warning "comparison" "correct warning" } */
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  foo ((1 <= 2) == 3);
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  foo (1 <= (2 == 3));
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  foo (a != b != c); /* { dg-warning "comparison" "correct warning" } */
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  foo ((a != b) != c);
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  foo (a != (b != c));
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  foo (1 != 2 != c); /* { dg-warning "comparison" "correct warning" } */
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  foo ((1 != 2) != c);
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  foo (1 != (2 != c));
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  foo (1 != 2 != 3); /* { dg-warning "comparison" "correct warning" } */
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  foo ((1 != 2) != 3);
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  foo (1 != (2 != 3));
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}

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