diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/Wparentheses-8.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/Wparentheses-8.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/Wparentheses-8.c b/gcc-4.9/gcc/testsuite/gcc.dg/Wparentheses-8.c new file mode 100644 index 000000000..ff34ee0a5 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/Wparentheses-8.c @@ -0,0 +1,103 @@ +/* Test operation of -Wparentheses. Precedence warnings. + or - or + comparison inside &. */ +/* Origin: Joseph Myers <jsm@polyomino.org.uk> */ + +/* { dg-do compile } */ +/* { dg-options "-Wparentheses" } */ + +int foo (int); + +int +bar (int a, int b, int c) +{ + foo (a + b & c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((a + b) & c); + foo (a + (b & c)); + foo (1 + 2 & c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 + 2) & c); + foo (1 + (2 & c)); + foo (1 + 2 & 3); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 + 2) & 3); + foo (1 + (2 & 3)); + foo (a & b + c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((a & b) + c); + foo (a & (b + c)); + foo (1 & 2 + c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 & 2) + c); + foo (1 & (2 + c)); + foo (1 & 2 + 3); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 & 2) + 3); + foo (1 & (2 + 3)); + foo (a - b & c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((a - b) & c); + foo (a - (b & c)); + foo (1 - 2 & c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 - 2) & c); + foo (1 - (2 & c)); + foo (1 - 2 & 3); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 - 2) & 3); + foo (1 - (2 & 3)); + foo (a & b - c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((a & b) - c); + foo (a & (b - c)); + foo (1 & 2 - c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 & 2) - c); + foo (1 & (2 - c)); + foo (1 & 2 - 3); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 & 2) - 3); + foo (1 & (2 - 3)); + foo (a < b & c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((a < b) & c); + foo (a < (b & c)); + foo (1 < 2 & c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 < 2) & c); + foo (1 < (2 & c)); + foo (1 < 2 & 3); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 < 2) & 3); + foo (1 < (2 & 3)); + foo (a & b < c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((a & b) < c); + foo (a & (b < c)); + foo (1 & 2 < c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 & 2) < c); + foo (1 & (2 < c)); + foo (1 & 2 < 3); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 & 2) < 3); + foo (1 & (2 < 3)); + foo (a == b & c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((a == b) & c); + foo (a == (b & c)); + foo (1 == 2 & c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 == 2) & c); + foo (1 == (2 & c)); + foo (1 == 2 & 3); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 == 2) & 3); + foo (1 == (2 & 3)); + foo (a & b == c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((a & b) == c); + foo (a & (b == c)); + foo (1 & 2 == c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 & 2) == c); + foo (1 & (2 == c)); + foo (1 & 2 == 3); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 & 2) == 3); + foo (1 & (2 == 3)); + foo (a != b & c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((a != b) & c); + foo (a != (b & c)); + foo (1 != 2 & c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 != 2) & c); + foo (1 != (2 & c)); + foo (1 != 2 & 3); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 != 2) & 3); + foo (1 != (2 & 3)); + foo (a & b != c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((a & b) != c); + foo (a & (b != c)); + foo (1 & 2 != c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 & 2) != c); + foo (1 & (2 != c)); + foo (1 & 2 != 3); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 & 2) != 3); + foo (1 & (2 != 3)); +} |