diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/overflow-warn-2.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/overflow-warn-2.c | 74 |
1 files changed, 37 insertions, 37 deletions
diff --git a/gcc/testsuite/gcc.dg/overflow-warn-2.c b/gcc/testsuite/gcc.dg/overflow-warn-2.c index 3fa75b639b3..7da84324ad9 100644 --- a/gcc/testsuite/gcc.dg/overflow-warn-2.c +++ b/gcc/testsuite/gcc.dg/overflow-warn-2.c @@ -12,23 +12,23 @@ enum e { /* Overflow in an unevaluated part of an expression is OK (example in the standard). */ E2 = 2 || 1 / 0, - E3 = 1 / 0, /* { dg-warning "warning: division by zero" } */ - /* { dg-error "error: enumerator value for 'E3' is not an integer constant" "enum error" { target *-*-* } 15 } */ + E3 = 1 / 0, /* { dg-warning "division by zero" } */ + /* { dg-error "enumerator value for 'E3' is not an integer constant" "enum error" { target *-*-* } 15 } */ /* But as in DR#031, the 1/0 in an evaluated subexpression means the whole expression violates the constraints. */ - E4 = 0 * (1 / 0), /* { dg-warning "warning: division by zero" } */ - /* { dg-error "error: enumerator value for 'E4' is not an integer constant" "enum error" { xfail *-*-* } 19 } */ - E5 = INT_MAX + 1, /* { dg-warning "warning: integer overflow in expression" } */ + E4 = 0 * (1 / 0), /* { dg-warning "division by zero" } */ + /* { dg-error "enumerator value for 'E4' is not an integer constant" "enum error" { xfail *-*-* } 19 } */ + E5 = INT_MAX + 1, /* { dg-warning "integer overflow in expression" } */ /* Again, overflow in evaluated subexpression. */ - E6 = 0 * (INT_MAX + 1), /* { dg-warning "warning: integer overflow in expression" } */ + E6 = 0 * (INT_MAX + 1), /* { dg-warning "integer overflow in expression" } */ /* A cast does not constitute overflow in conversion. */ E7 = (char) INT_MAX }; struct s { int a; - int : 0 * (1 / 0); /* { dg-warning "warning: division by zero" } */ - int : 0 * (INT_MAX + 1); /* { dg-warning "warning: integer overflow in expression" } */ + int : 0 * (1 / 0); /* { dg-warning "division by zero" } */ + int : 0 * (INT_MAX + 1); /* { dg-warning "integer overflow in expression" } */ }; void @@ -36,19 +36,19 @@ f (void) { /* This expression is not required to be a constant expression, so it should just involve undefined behavior at runtime. */ - int c = INT_MAX + 1; /* { dg-warning "warning: integer overflow in expression" } */ + int c = INT_MAX + 1; /* { dg-warning "integer overflow in expression" } */ } /* But this expression does need to be constant. */ -static int sc = INT_MAX + 1; /* { dg-warning "warning: integer overflow in expression" } */ +static int sc = INT_MAX + 1; /* { dg-warning "integer overflow in expression" } */ /* The first two of these involve overflow, so are not null pointer constants. The third has the overflow in an unevaluated subexpression, so is a null pointer constant. */ -void *p = 0 * (INT_MAX + 1); /* { dg-warning "warning: integer overflow in expression" } */ -/* { dg-warning "warning: initialization makes pointer from integer without a cast" "null" { target *-*-* } 48 } */ -void *q = 0 * (1 / 0); /* { dg-warning "warning: division by zero" } */ -/* { dg-warning "warning: initialization makes pointer from integer without a cast" "null" { xfail *-*-* } 50 } */ +void *p = 0 * (INT_MAX + 1); /* { dg-warning "integer overflow in expression" } */ +/* { dg-warning "initialization makes pointer from integer without a cast" "null" { target *-*-* } 48 } */ +void *q = 0 * (1 / 0); /* { dg-warning "division by zero" } */ +/* { dg-warning "initialization makes pointer from integer without a cast" "null" { xfail *-*-* } 50 } */ void *r = (1 ? 0 : INT_MAX+1); void @@ -56,9 +56,9 @@ g (int i) { switch (i) { - case 0 * (1/0): /* { dg-warning "warning: division by zero" } */ + case 0 * (1/0): /* { dg-warning "division by zero" } */ ; - case 1 + 0 * (INT_MAX + 1): /* { dg-warning "warning: integer overflow in expression" } */ + case 1 + 0 * (INT_MAX + 1): /* { dg-warning "integer overflow in expression" } */ ; } } @@ -66,13 +66,13 @@ g (int i) int h (void) { - return INT_MAX + 1; /* { dg-warning "warning: integer overflow in expression" } */ + return INT_MAX + 1; /* { dg-warning "integer overflow in expression" } */ } int h1 (void) { - return INT_MAX + 1 - INT_MAX; /* { dg-warning "warning: integer overflow in expression" } */ + return INT_MAX + 1 - INT_MAX; /* { dg-warning "integer overflow in expression" } */ } void fuc (unsigned char); @@ -82,23 +82,23 @@ void h2 (void) { fsc (SCHAR_MAX + 1); - /* { dg-warning "warning: passing argument 1 of 'fsc' with different width due to prototype" "-Wtraditional-conversion" { target *-*-* } 84 } */ - fsc (SCHAR_MIN - 1); /* { dg-warning "warning: overflow in implicit constant conversion" } */ - /* { dg-warning "warning: passing argument 1 of 'fsc' with different width due to prototype" "-Wtraditional-conversion" { target *-*-* } 86 } */ + /* { dg-warning "passing argument 1 of 'fsc' with different width due to prototype" "-Wtraditional-conversion" { target *-*-* } 84 } */ + fsc (SCHAR_MIN - 1); /* { dg-warning "overflow in implicit constant conversion" } */ + /* { dg-warning "passing argument 1 of 'fsc' with different width due to prototype" "-Wtraditional-conversion" { target *-*-* } 86 } */ fsc (UCHAR_MAX); - /* { dg-warning "warning: passing argument 1 of 'fsc' with different width due to prototype" "-Wtraditional-conversion" { target *-*-* } 88 } */ - fsc (UCHAR_MAX + 1); /* { dg-warning "warning: overflow in implicit constant conversion" } */ - /* { dg-warning "warning: passing argument 1 of 'fsc' with different width due to prototype" "-Wtraditional-conversion" { target *-*-* } 90 } */ + /* { dg-warning "passing argument 1 of 'fsc' with different width due to prototype" "-Wtraditional-conversion" { target *-*-* } 88 } */ + fsc (UCHAR_MAX + 1); /* { dg-warning "overflow in implicit constant conversion" } */ + /* { dg-warning "passing argument 1 of 'fsc' with different width due to prototype" "-Wtraditional-conversion" { target *-*-* } 90 } */ fuc (-1); - /* { dg-warning "warning: passing argument 1 of 'fuc' with different width due to prototype" "-Wtraditional-conversion" { target *-*-* } 92 } */ - fuc (UCHAR_MAX + 1); /* { dg-warning "warning: large integer implicitly truncated to unsigned type" } */ - /* { dg-warning "warning: passing argument 1 of 'fuc' with different width due to prototype" "-Wtraditional-conversion" { target *-*-* } 94 } */ + /* { dg-warning "passing argument 1 of 'fuc' with different width due to prototype" "-Wtraditional-conversion" { target *-*-* } 92 } */ + fuc (UCHAR_MAX + 1); /* { dg-warning "large integer implicitly truncated to unsigned type" } */ + /* { dg-warning "passing argument 1 of 'fuc' with different width due to prototype" "-Wtraditional-conversion" { target *-*-* } 94 } */ fuc (SCHAR_MIN); - /* { dg-warning "warning: passing argument 1 of 'fuc' with different width due to prototype" "-Wtraditional-conversion" { target *-*-* } 96 } */ - fuc (SCHAR_MIN - 1); /* { dg-warning "warning: large integer implicitly truncated to unsigned type" } */ - /* { dg-warning "warning: passing argument 1 of 'fuc' with different width due to prototype" "-Wtraditional-conversion" { target *-*-* } 98 } */ - fuc (-UCHAR_MAX); /* { dg-warning "warning: large integer implicitly truncated to unsigned type" } */ - /* { dg-warning "warning: passing argument 1 of 'fuc' with different width due to prototype" "-Wtraditional-conversion" { target *-*-* } 100 } */ + /* { dg-warning "passing argument 1 of 'fuc' with different width due to prototype" "-Wtraditional-conversion" { target *-*-* } 96 } */ + fuc (SCHAR_MIN - 1); /* { dg-warning "large integer implicitly truncated to unsigned type" } */ + /* { dg-warning "passing argument 1 of 'fuc' with different width due to prototype" "-Wtraditional-conversion" { target *-*-* } 98 } */ + fuc (-UCHAR_MAX); /* { dg-warning "large integer implicitly truncated to unsigned type" } */ + /* { dg-warning "passing argument 1 of 'fuc' with different width due to prototype" "-Wtraditional-conversion" { target *-*-* } 100 } */ } void fui (unsigned int); @@ -113,20 +113,20 @@ h2i (int x) /* For some reason, we only give certain warnings for implicit conversions among values of the same precision with -Wtraditional-conversion, while we don't give others at all. */ - fsi ((unsigned)INT_MAX + 1); /* { dg-warning "warning: passing argument 1 of 'fsi' as signed due to prototype" } */ + fsi ((unsigned)INT_MAX + 1); /* { dg-warning "passing argument 1 of 'fsi' as signed due to prototype" } */ si = (unsigned)INT_MAX + 1; si = x ? (unsigned)INT_MAX + 1 : 1; - fsi ((unsigned)INT_MAX + 2); /* { dg-warning "warning: passing argument 1 of 'fsi' as signed due to prototype" } */ + fsi ((unsigned)INT_MAX + 2); /* { dg-warning "passing argument 1 of 'fsi' as signed due to prototype" } */ si = (unsigned)INT_MAX + 2; si = x ? (unsigned)INT_MAX + 2 : 1; - fsi (UINT_MAX); /* { dg-warning "warning: passing argument 1 of 'fsi' as signed due to prototype" } */ + fsi (UINT_MAX); /* { dg-warning "passing argument 1 of 'fsi' as signed due to prototype" } */ si = UINT_MAX; fui (-1); - /* { dg-warning "warning: passing argument 1 of 'fui' as unsigned due to prototype" "-Wtraditional-conversion" { target *-*-* } 124 } */ + /* { dg-warning "passing argument 1 of 'fui' as unsigned due to prototype" "-Wtraditional-conversion" { target *-*-* } 124 } */ ui = -1; ui = x ? -1 : 1U; fui (INT_MIN); - /* { dg-warning "warning: passing argument 1 of 'fui' as unsigned due to prototype" "-Wtraditional-conversion" { target *-*-* } 128 } */ + /* { dg-warning "passing argument 1 of 'fui' as unsigned due to prototype" "-Wtraditional-conversion" { target *-*-* } 128 } */ ui = INT_MIN; ui = x ? INT_MIN : 1U; } |