diff options
Diffstat (limited to 'src/test/ui/lint/lint-exceeding-bitshifts.rs')
-rw-r--r-- | src/test/ui/lint/lint-exceeding-bitshifts.rs | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/src/test/ui/lint/lint-exceeding-bitshifts.rs b/src/test/ui/lint/lint-exceeding-bitshifts.rs deleted file mode 100644 index 048c1aff8..000000000 --- a/src/test/ui/lint/lint-exceeding-bitshifts.rs +++ /dev/null @@ -1,79 +0,0 @@ -// revisions: noopt opt opt_with_overflow_checks -//[noopt]compile-flags: -C opt-level=0 -//[opt]compile-flags: -O -//[opt_with_overflow_checks]compile-flags: -C overflow-checks=on -O -// build-pass -// ignore-pass (test emits codegen-time warnings and verifies that they are not errors) -// normalize-stderr-test "shift left by `(64|32)_usize`, which" -> "shift left by `%BITS%`, which" - -#![crate_type="lib"] -#![warn(arithmetic_overflow)] - - -pub trait Foo { - const N: i32; -} - -impl<T: Foo> Foo for Vec<T> { - const N: i32 = T::N << 42; //~ WARN: arithmetic operation will overflow -} - -pub fn foo(x: i32) { - let _ = x << 42; //~ WARN: arithmetic operation will overflow -} - -pub fn main() { - let n = 1u8 << 7; - let n = 1u8 << 8; //~ WARN: arithmetic operation will overflow - let n = 1u16 << 15; - let n = 1u16 << 16; //~ WARN: arithmetic operation will overflow - let n = 1u32 << 31; - let n = 1u32 << 32; //~ WARN: arithmetic operation will overflow - let n = 1u64 << 63; - let n = 1u64 << 64; //~ WARN: arithmetic operation will overflow - let n = 1i8 << 7; - let n = 1i8 << 8; //~ WARN: arithmetic operation will overflow - let n = 1i16 << 15; - let n = 1i16 << 16; //~ WARN: arithmetic operation will overflow - let n = 1i32 << 31; - let n = 1i32 << 32; //~ WARN: arithmetic operation will overflow - let n = 1i64 << 63; - let n = 1i64 << 64; //~ WARN: arithmetic operation will overflow - - let n = 1u8 >> 7; - let n = 1u8 >> 8; //~ WARN: arithmetic operation will overflow - let n = 1u16 >> 15; - let n = 1u16 >> 16; //~ WARN: arithmetic operation will overflow - let n = 1u32 >> 31; - let n = 1u32 >> 32; //~ WARN: arithmetic operation will overflow - let n = 1u64 >> 63; - let n = 1u64 >> 64; //~ WARN: arithmetic operation will overflow - let n = 1i8 >> 7; - let n = 1i8 >> 8; //~ WARN: arithmetic operation will overflow - let n = 1i16 >> 15; - let n = 1i16 >> 16; //~ WARN: arithmetic operation will overflow - let n = 1i32 >> 31; - let n = 1i32 >> 32; //~ WARN: arithmetic operation will overflow - let n = 1i64 >> 63; - let n = 1i64 >> 64; //~ WARN: arithmetic operation will overflow - - let n = 1u8; - let n = n << 7; - let n = n << 8; //~ WARN: arithmetic operation will overflow - - let n = 1u8 << -8; //~ WARN: arithmetic operation will overflow - - let n = 1i8<<(1isize+-1); - - let n = 1u8 << (4+3); - let n = 1u8 << (4+4); //~ WARN: arithmetic operation will overflow - let n = 1i64 >> [63][0]; - let n = 1i64 >> [64][0]; //~ WARN: arithmetic operation will overflow - - #[cfg(target_pointer_width = "32")] - const BITS: usize = 32; - #[cfg(target_pointer_width = "64")] - const BITS: usize = 64; - let n = 1_isize << BITS; //~ WARN: arithmetic operation will overflow - let n = 1_usize << BITS; //~ WARN: arithmetic operation will overflow -} |