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adjust tests

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Ralf Jung 2020-04-22 22:50:31 +02:00 • committed by Felix S. Klock II
parent be0e9c2bdc
commit 7d23c3bf8a
5 changed files with 119 additions and 139 deletions
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6
src/test/ui/consts/const-eval/ice-generic-assoc-const.rs
View file

@ -1,4 +1,5 @@
// check-pass // build-pass (tests post-monomorphisation failure)
#![crate_type = "lib"]
pub trait Nullable { pub trait Nullable {
const NULL: Self; const NULL: Self;
@ -13,6 +14,3 @@ impl<T> Nullable for *const T {
*self == Self::NULL *self == Self::NULL
} }
} }
fn main() {
}

66
src/test/ui/lint/lint-exceeding-bitshifts.noopt.stderr
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@ -1,152 +1,146 @@
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:18:20
|
LL | const N: i32 = T::N << 42;
| ^^^^^^^^^^ attempt to shift left with overflow
|
note: the lint level is defined here
--> $DIR/lint-exceeding-bitshifts.rs:9:9
|
LL | #![warn(arithmetic_overflow, const_err)]
| ^^^^^^^^^^^^^^^^^^^
warning: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:22:13 --> $DIR/lint-exceeding-bitshifts.rs:22:13
| |
LL | let _ = x << 42; LL | let _ = x << 42;
| ^^^^^^^ attempt to shift left with overflow | ^^^^^^^ attempt to shift left with overflow
|
note: the lint level is defined here
--> $DIR/lint-exceeding-bitshifts.rs:9:9
|
LL | #![deny(arithmetic_overflow, const_err)]
| ^^^^^^^^^^^^^^^^^^^
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:27:15 --> $DIR/lint-exceeding-bitshifts.rs:27:15
| |
LL | let n = 1u8 << 8; LL | let n = 1u8 << 8;
| ^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:29:15 --> $DIR/lint-exceeding-bitshifts.rs:29:15
| |
LL | let n = 1u16 << 16; LL | let n = 1u16 << 16;
| ^^^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:31:15 --> $DIR/lint-exceeding-bitshifts.rs:31:15
| |
LL | let n = 1u32 << 32; LL | let n = 1u32 << 32;
| ^^^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:33:15 --> $DIR/lint-exceeding-bitshifts.rs:33:15
| |
LL | let n = 1u64 << 64; LL | let n = 1u64 << 64;
| ^^^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:35:15 --> $DIR/lint-exceeding-bitshifts.rs:35:15
| |
LL | let n = 1i8 << 8; LL | let n = 1i8 << 8;
| ^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:37:15 --> $DIR/lint-exceeding-bitshifts.rs:37:15
| |
LL | let n = 1i16 << 16; LL | let n = 1i16 << 16;
| ^^^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:39:15 --> $DIR/lint-exceeding-bitshifts.rs:39:15
| |
LL | let n = 1i32 << 32; LL | let n = 1i32 << 32;
| ^^^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:41:15 --> $DIR/lint-exceeding-bitshifts.rs:41:15
| |
LL | let n = 1i64 << 64; LL | let n = 1i64 << 64;
| ^^^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:44:15 --> $DIR/lint-exceeding-bitshifts.rs:44:15
| |
LL | let n = 1u8 >> 8; LL | let n = 1u8 >> 8;
| ^^^^^^^^ attempt to shift right with overflow | ^^^^^^^^ attempt to shift right with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:46:15 --> $DIR/lint-exceeding-bitshifts.rs:46:15
| |
LL | let n = 1u16 >> 16; LL | let n = 1u16 >> 16;
| ^^^^^^^^^^ attempt to shift right with overflow | ^^^^^^^^^^ attempt to shift right with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:48:15 --> $DIR/lint-exceeding-bitshifts.rs:48:15
| |
LL | let n = 1u32 >> 32; LL | let n = 1u32 >> 32;
| ^^^^^^^^^^ attempt to shift right with overflow | ^^^^^^^^^^ attempt to shift right with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:50:15 --> $DIR/lint-exceeding-bitshifts.rs:50:15
| |
LL | let n = 1u64 >> 64; LL | let n = 1u64 >> 64;
| ^^^^^^^^^^ attempt to shift right with overflow | ^^^^^^^^^^ attempt to shift right with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:52:15 --> $DIR/lint-exceeding-bitshifts.rs:52:15
| |
LL | let n = 1i8 >> 8; LL | let n = 1i8 >> 8;
| ^^^^^^^^ attempt to shift right with overflow | ^^^^^^^^ attempt to shift right with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:54:15 --> $DIR/lint-exceeding-bitshifts.rs:54:15
| |
LL | let n = 1i16 >> 16; LL | let n = 1i16 >> 16;
| ^^^^^^^^^^ attempt to shift right with overflow | ^^^^^^^^^^ attempt to shift right with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:56:15 --> $DIR/lint-exceeding-bitshifts.rs:56:15
| |
LL | let n = 1i32 >> 32; LL | let n = 1i32 >> 32;
| ^^^^^^^^^^ attempt to shift right with overflow | ^^^^^^^^^^ attempt to shift right with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:58:15 --> $DIR/lint-exceeding-bitshifts.rs:58:15
| |
LL | let n = 1i64 >> 64; LL | let n = 1i64 >> 64;
| ^^^^^^^^^^ attempt to shift right with overflow | ^^^^^^^^^^ attempt to shift right with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:62:15 --> $DIR/lint-exceeding-bitshifts.rs:62:15
| |
LL | let n = n << 8; LL | let n = n << 8;
| ^^^^^^ attempt to shift left with overflow | ^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:64:15 --> $DIR/lint-exceeding-bitshifts.rs:64:15
| |
LL | let n = 1u8 << -8; LL | let n = 1u8 << -8;
| ^^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:69:15 --> $DIR/lint-exceeding-bitshifts.rs:69:15
| |
LL | let n = 1u8 << (4+4); LL | let n = 1u8 << (4+4);
| ^^^^^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:71:15 --> $DIR/lint-exceeding-bitshifts.rs:71:15
| |
LL | let n = 1i64 >> [64][0]; LL | let n = 1i64 >> [64][0];
| ^^^^^^^^^^^^^^^ attempt to shift right with overflow | ^^^^^^^^^^^^^^^ attempt to shift right with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:77:15 --> $DIR/lint-exceeding-bitshifts.rs:77:15
| |
LL | let n = 1_isize << BITS; LL | let n = 1_isize << BITS;
| ^^^^^^^^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^^^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:78:15 --> $DIR/lint-exceeding-bitshifts.rs:78:15
| |
LL | let n = 1_usize << BITS; LL | let n = 1_usize << BITS;
| ^^^^^^^^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^^^^^^^^ attempt to shift left with overflow
warning: 24 warnings emitted error: aborting due to 23 previous errors

66
src/test/ui/lint/lint-exceeding-bitshifts.opt.stderr
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@ -1,152 +1,146 @@
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:18:20
|
LL | const N: i32 = T::N << 42;
| ^^^^^^^^^^ attempt to shift left with overflow
|
note: the lint level is defined here
--> $DIR/lint-exceeding-bitshifts.rs:9:9
|
LL | #![warn(arithmetic_overflow, const_err)]
| ^^^^^^^^^^^^^^^^^^^
warning: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:22:13 --> $DIR/lint-exceeding-bitshifts.rs:22:13
| |
LL | let _ = x << 42; LL | let _ = x << 42;
| ^^^^^^^ attempt to shift left with overflow | ^^^^^^^ attempt to shift left with overflow
|
note: the lint level is defined here
--> $DIR/lint-exceeding-bitshifts.rs:9:9
|
LL | #![deny(arithmetic_overflow, const_err)]
| ^^^^^^^^^^^^^^^^^^^
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:27:15 --> $DIR/lint-exceeding-bitshifts.rs:27:15
| |
LL | let n = 1u8 << 8; LL | let n = 1u8 << 8;
| ^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:29:15 --> $DIR/lint-exceeding-bitshifts.rs:29:15
| |
LL | let n = 1u16 << 16; LL | let n = 1u16 << 16;
| ^^^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:31:15 --> $DIR/lint-exceeding-bitshifts.rs:31:15
| |
LL | let n = 1u32 << 32; LL | let n = 1u32 << 32;
| ^^^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:33:15 --> $DIR/lint-exceeding-bitshifts.rs:33:15
| |
LL | let n = 1u64 << 64; LL | let n = 1u64 << 64;
| ^^^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:35:15 --> $DIR/lint-exceeding-bitshifts.rs:35:15
| |
LL | let n = 1i8 << 8; LL | let n = 1i8 << 8;
| ^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:37:15 --> $DIR/lint-exceeding-bitshifts.rs:37:15
| |
LL | let n = 1i16 << 16; LL | let n = 1i16 << 16;
| ^^^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:39:15 --> $DIR/lint-exceeding-bitshifts.rs:39:15
| |
LL | let n = 1i32 << 32; LL | let n = 1i32 << 32;
| ^^^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:41:15 --> $DIR/lint-exceeding-bitshifts.rs:41:15
| |
LL | let n = 1i64 << 64; LL | let n = 1i64 << 64;
| ^^^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:44:15 --> $DIR/lint-exceeding-bitshifts.rs:44:15
| |
LL | let n = 1u8 >> 8; LL | let n = 1u8 >> 8;
| ^^^^^^^^ attempt to shift right with overflow | ^^^^^^^^ attempt to shift right with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:46:15 --> $DIR/lint-exceeding-bitshifts.rs:46:15
| |
LL | let n = 1u16 >> 16; LL | let n = 1u16 >> 16;
| ^^^^^^^^^^ attempt to shift right with overflow | ^^^^^^^^^^ attempt to shift right with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:48:15 --> $DIR/lint-exceeding-bitshifts.rs:48:15
| |
LL | let n = 1u32 >> 32; LL | let n = 1u32 >> 32;
| ^^^^^^^^^^ attempt to shift right with overflow | ^^^^^^^^^^ attempt to shift right with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:50:15 --> $DIR/lint-exceeding-bitshifts.rs:50:15
| |
LL | let n = 1u64 >> 64; LL | let n = 1u64 >> 64;
| ^^^^^^^^^^ attempt to shift right with overflow | ^^^^^^^^^^ attempt to shift right with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:52:15 --> $DIR/lint-exceeding-bitshifts.rs:52:15
| |
LL | let n = 1i8 >> 8; LL | let n = 1i8 >> 8;
| ^^^^^^^^ attempt to shift right with overflow | ^^^^^^^^ attempt to shift right with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:54:15 --> $DIR/lint-exceeding-bitshifts.rs:54:15
| |
LL | let n = 1i16 >> 16; LL | let n = 1i16 >> 16;
| ^^^^^^^^^^ attempt to shift right with overflow | ^^^^^^^^^^ attempt to shift right with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:56:15 --> $DIR/lint-exceeding-bitshifts.rs:56:15
| |
LL | let n = 1i32 >> 32; LL | let n = 1i32 >> 32;
| ^^^^^^^^^^ attempt to shift right with overflow | ^^^^^^^^^^ attempt to shift right with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:58:15 --> $DIR/lint-exceeding-bitshifts.rs:58:15
| |
LL | let n = 1i64 >> 64; LL | let n = 1i64 >> 64;
| ^^^^^^^^^^ attempt to shift right with overflow | ^^^^^^^^^^ attempt to shift right with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:62:15 --> $DIR/lint-exceeding-bitshifts.rs:62:15
| |
LL | let n = n << 8; LL | let n = n << 8;
| ^^^^^^ attempt to shift left with overflow | ^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:64:15 --> $DIR/lint-exceeding-bitshifts.rs:64:15
| |
LL | let n = 1u8 << -8; LL | let n = 1u8 << -8;
| ^^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:69:15 --> $DIR/lint-exceeding-bitshifts.rs:69:15
| |
LL | let n = 1u8 << (4+4); LL | let n = 1u8 << (4+4);
| ^^^^^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:71:15 --> $DIR/lint-exceeding-bitshifts.rs:71:15
| |
LL | let n = 1i64 >> [64][0]; LL | let n = 1i64 >> [64][0];
| ^^^^^^^^^^^^^^^ attempt to shift right with overflow | ^^^^^^^^^^^^^^^ attempt to shift right with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:77:15 --> $DIR/lint-exceeding-bitshifts.rs:77:15
| |
LL | let n = 1_isize << BITS; LL | let n = 1_isize << BITS;
| ^^^^^^^^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^^^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:78:15 --> $DIR/lint-exceeding-bitshifts.rs:78:15
| |
LL | let n = 1_usize << BITS; LL | let n = 1_usize << BITS;
| ^^^^^^^^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^^^^^^^^ attempt to shift left with overflow
warning: 24 warnings emitted error: aborting due to 23 previous errors

66
src/test/ui/lint/lint-exceeding-bitshifts.opt_with_overflow_checks.stderr
View file

@ -1,152 +1,146 @@
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:18:20
|
LL | const N: i32 = T::N << 42;
| ^^^^^^^^^^ attempt to shift left with overflow
|
note: the lint level is defined here
--> $DIR/lint-exceeding-bitshifts.rs:9:9
|
LL | #![warn(arithmetic_overflow, const_err)]
| ^^^^^^^^^^^^^^^^^^^
warning: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:22:13 --> $DIR/lint-exceeding-bitshifts.rs:22:13
| |
LL | let _ = x << 42; LL | let _ = x << 42;
| ^^^^^^^ attempt to shift left with overflow | ^^^^^^^ attempt to shift left with overflow
|
note: the lint level is defined here
--> $DIR/lint-exceeding-bitshifts.rs:9:9
|
LL | #![deny(arithmetic_overflow, const_err)]
| ^^^^^^^^^^^^^^^^^^^
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:27:15 --> $DIR/lint-exceeding-bitshifts.rs:27:15
| |
LL | let n = 1u8 << 8; LL | let n = 1u8 << 8;
| ^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:29:15 --> $DIR/lint-exceeding-bitshifts.rs:29:15
| |
LL | let n = 1u16 << 16; LL | let n = 1u16 << 16;
| ^^^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:31:15 --> $DIR/lint-exceeding-bitshifts.rs:31:15
| |
LL | let n = 1u32 << 32; LL | let n = 1u32 << 32;
| ^^^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:33:15 --> $DIR/lint-exceeding-bitshifts.rs:33:15
| |
LL | let n = 1u64 << 64; LL | let n = 1u64 << 64;
| ^^^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:35:15 --> $DIR/lint-exceeding-bitshifts.rs:35:15
| |
LL | let n = 1i8 << 8; LL | let n = 1i8 << 8;
| ^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:37:15 --> $DIR/lint-exceeding-bitshifts.rs:37:15
| |
LL | let n = 1i16 << 16; LL | let n = 1i16 << 16;
| ^^^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:39:15 --> $DIR/lint-exceeding-bitshifts.rs:39:15
| |
LL | let n = 1i32 << 32; LL | let n = 1i32 << 32;
| ^^^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:41:15 --> $DIR/lint-exceeding-bitshifts.rs:41:15
| |
LL | let n = 1i64 << 64; LL | let n = 1i64 << 64;
| ^^^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:44:15 --> $DIR/lint-exceeding-bitshifts.rs:44:15
| |
LL | let n = 1u8 >> 8; LL | let n = 1u8 >> 8;
| ^^^^^^^^ attempt to shift right with overflow | ^^^^^^^^ attempt to shift right with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:46:15 --> $DIR/lint-exceeding-bitshifts.rs:46:15
| |
LL | let n = 1u16 >> 16; LL | let n = 1u16 >> 16;
| ^^^^^^^^^^ attempt to shift right with overflow | ^^^^^^^^^^ attempt to shift right with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:48:15 --> $DIR/lint-exceeding-bitshifts.rs:48:15
| |
LL | let n = 1u32 >> 32; LL | let n = 1u32 >> 32;
| ^^^^^^^^^^ attempt to shift right with overflow | ^^^^^^^^^^ attempt to shift right with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:50:15 --> $DIR/lint-exceeding-bitshifts.rs:50:15
| |
LL | let n = 1u64 >> 64; LL | let n = 1u64 >> 64;
| ^^^^^^^^^^ attempt to shift right with overflow | ^^^^^^^^^^ attempt to shift right with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:52:15 --> $DIR/lint-exceeding-bitshifts.rs:52:15
| |
LL | let n = 1i8 >> 8; LL | let n = 1i8 >> 8;
| ^^^^^^^^ attempt to shift right with overflow | ^^^^^^^^ attempt to shift right with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:54:15 --> $DIR/lint-exceeding-bitshifts.rs:54:15
| |
LL | let n = 1i16 >> 16; LL | let n = 1i16 >> 16;
| ^^^^^^^^^^ attempt to shift right with overflow | ^^^^^^^^^^ attempt to shift right with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:56:15 --> $DIR/lint-exceeding-bitshifts.rs:56:15
| |
LL | let n = 1i32 >> 32; LL | let n = 1i32 >> 32;
| ^^^^^^^^^^ attempt to shift right with overflow | ^^^^^^^^^^ attempt to shift right with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:58:15 --> $DIR/lint-exceeding-bitshifts.rs:58:15
| |
LL | let n = 1i64 >> 64; LL | let n = 1i64 >> 64;
| ^^^^^^^^^^ attempt to shift right with overflow | ^^^^^^^^^^ attempt to shift right with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:62:15 --> $DIR/lint-exceeding-bitshifts.rs:62:15
| |
LL | let n = n << 8; LL | let n = n << 8;
| ^^^^^^ attempt to shift left with overflow | ^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:64:15 --> $DIR/lint-exceeding-bitshifts.rs:64:15
| |
LL | let n = 1u8 << -8; LL | let n = 1u8 << -8;
| ^^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:69:15 --> $DIR/lint-exceeding-bitshifts.rs:69:15
| |
LL | let n = 1u8 << (4+4); LL | let n = 1u8 << (4+4);
| ^^^^^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:71:15 --> $DIR/lint-exceeding-bitshifts.rs:71:15
| |
LL | let n = 1i64 >> [64][0]; LL | let n = 1i64 >> [64][0];
| ^^^^^^^^^^^^^^^ attempt to shift right with overflow | ^^^^^^^^^^^^^^^ attempt to shift right with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:77:15 --> $DIR/lint-exceeding-bitshifts.rs:77:15
| |
LL | let n = 1_isize << BITS; LL | let n = 1_isize << BITS;
| ^^^^^^^^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^^^^^^^^ attempt to shift left with overflow
warning: this arithmetic operation will overflow error: this arithmetic operation will overflow
--> $DIR/lint-exceeding-bitshifts.rs:78:15 --> $DIR/lint-exceeding-bitshifts.rs:78:15
| |
LL | let n = 1_usize << BITS; LL | let n = 1_usize << BITS;
| ^^^^^^^^^^^^^^^ attempt to shift left with overflow | ^^^^^^^^^^^^^^^ attempt to shift left with overflow
warning: 24 warnings emitted error: aborting due to 23 previous errors

54
src/test/ui/lint/lint-exceeding-bitshifts.rs
View file

@ -2,11 +2,11 @@
//[noopt]compile-flags: -C opt-level=0 //[noopt]compile-flags: -C opt-level=0
//[opt]compile-flags: -O //[opt]compile-flags: -O
//[opt_with_overflow_checks]compile-flags: -C overflow-checks=on -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) // build-fail
#![crate_type="lib"] #![crate_type="lib"]
#![warn(arithmetic_overflow, const_err)] #![deny(arithmetic_overflow, const_err)]
#![allow(unused_variables)] #![allow(unused_variables)]
#![allow(dead_code)] #![allow(dead_code)]
@ -15,65 +15,65 @@ pub trait Foo {
} }
impl<T: Foo> Foo for Vec<T> { impl<T: Foo> Foo for Vec<T> {
const N: i32 = T::N << 42; //~ WARN: arithmetic operation will overflow const N: i32 = T::N << 42; // FIXME this should warn
} }
pub fn foo(x: i32) { pub fn foo(x: i32) {
let _ = x << 42; //~ WARN: arithmetic operation will overflow let _ = x << 42; //~ ERROR: arithmetic operation will overflow
} }
pub fn main() { pub fn main() {
let n = 1u8 << 7; let n = 1u8 << 7;
let n = 1u8 << 8; //~ WARN: arithmetic operation will overflow let n = 1u8 << 8; //~ ERROR: arithmetic operation will overflow
let n = 1u16 << 15; let n = 1u16 << 15;
let n = 1u16 << 16; //~ WARN: arithmetic operation will overflow let n = 1u16 << 16; //~ ERROR: arithmetic operation will overflow
let n = 1u32 << 31; let n = 1u32 << 31;
let n = 1u32 << 32; //~ WARN: arithmetic operation will overflow let n = 1u32 << 32; //~ ERROR: arithmetic operation will overflow
let n = 1u64 << 63; let n = 1u64 << 63;
let n = 1u64 << 64; //~ WARN: arithmetic operation will overflow let n = 1u64 << 64; //~ ERROR: arithmetic operation will overflow
let n = 1i8 << 7; let n = 1i8 << 7;
let n = 1i8 << 8; //~ WARN: arithmetic operation will overflow let n = 1i8 << 8; //~ ERROR: arithmetic operation will overflow
let n = 1i16 << 15; let n = 1i16 << 15;
let n = 1i16 << 16; //~ WARN: arithmetic operation will overflow let n = 1i16 << 16; //~ ERROR: arithmetic operation will overflow
let n = 1i32 << 31; let n = 1i32 << 31;
let n = 1i32 << 32; //~ WARN: arithmetic operation will overflow let n = 1i32 << 32; //~ ERROR: arithmetic operation will overflow
let n = 1i64 << 63; let n = 1i64 << 63;
let n = 1i64 << 64; //~ WARN: arithmetic operation will overflow let n = 1i64 << 64; //~ ERROR: arithmetic operation will overflow
let n = 1u8 >> 7; let n = 1u8 >> 7;
let n = 1u8 >> 8; //~ WARN: arithmetic operation will overflow let n = 1u8 >> 8; //~ ERROR: arithmetic operation will overflow
let n = 1u16 >> 15; let n = 1u16 >> 15;
let n = 1u16 >> 16; //~ WARN: arithmetic operation will overflow let n = 1u16 >> 16; //~ ERROR: arithmetic operation will overflow
let n = 1u32 >> 31; let n = 1u32 >> 31;
let n = 1u32 >> 32; //~ WARN: arithmetic operation will overflow let n = 1u32 >> 32; //~ ERROR: arithmetic operation will overflow
let n = 1u64 >> 63; let n = 1u64 >> 63;
let n = 1u64 >> 64; //~ WARN: arithmetic operation will overflow let n = 1u64 >> 64; //~ ERROR: arithmetic operation will overflow
let n = 1i8 >> 7; let n = 1i8 >> 7;
let n = 1i8 >> 8; //~ WARN: arithmetic operation will overflow let n = 1i8 >> 8; //~ ERROR: arithmetic operation will overflow
let n = 1i16 >> 15; let n = 1i16 >> 15;
let n = 1i16 >> 16; //~ WARN: arithmetic operation will overflow let n = 1i16 >> 16; //~ ERROR: arithmetic operation will overflow
let n = 1i32 >> 31; let n = 1i32 >> 31;
let n = 1i32 >> 32; //~ WARN: arithmetic operation will overflow let n = 1i32 >> 32; //~ ERROR: arithmetic operation will overflow
let n = 1i64 >> 63; let n = 1i64 >> 63;
let n = 1i64 >> 64; //~ WARN: arithmetic operation will overflow let n = 1i64 >> 64; //~ ERROR: arithmetic operation will overflow
let n = 1u8; let n = 1u8;
let n = n << 7; let n = n << 7;
let n = n << 8; //~ WARN: arithmetic operation will overflow let n = n << 8; //~ ERROR: arithmetic operation will overflow
let n = 1u8 << -8; //~ WARN: arithmetic operation will overflow let n = 1u8 << -8; //~ ERROR: arithmetic operation will overflow
let n = 1i8<<(1isize+-1); let n = 1i8<<(1isize+-1);
let n = 1u8 << (4+3); let n = 1u8 << (4+3);
let n = 1u8 << (4+4); //~ WARN: arithmetic operation will overflow let n = 1u8 << (4+4); //~ ERROR: arithmetic operation will overflow
let n = 1i64 >> [63][0]; let n = 1i64 >> [63][0];
let n = 1i64 >> [64][0]; //~ WARN: arithmetic operation will overflow let n = 1i64 >> [64][0]; //~ ERROR: arithmetic operation will overflow
#[cfg(target_pointer_width = "32")] #[cfg(target_pointer_width = "32")]
const BITS: usize = 32; const BITS: usize = 32;
#[cfg(target_pointer_width = "64")] #[cfg(target_pointer_width = "64")]
const BITS: usize = 64; const BITS: usize = 64;
let n = 1_isize << BITS; //~ WARN: arithmetic operation will overflow let n = 1_isize << BITS; //~ ERROR: arithmetic operation will overflow
let n = 1_usize << BITS; //~ WARN: arithmetic operation will overflow let n = 1_usize << BITS; //~ ERROR: arithmetic operation will overflow
} }