warning: this arithmetic operation will overflow --> $DIR/lint-exceeding-bitshifts.rs:18:20 | LL | const N: i32 = T::N << 42; | ^^^^^^^^^^ attempt to shift left by 42_i32 which would overflow | note: the lint level is defined here --> $DIR/lint-exceeding-bitshifts.rs:10:9 | LL | #![warn(arithmetic_overflow, const_err)] | ^^^^^^^^^^^^^^^^^^^ warning: this arithmetic operation will overflow --> $DIR/lint-exceeding-bitshifts.rs:22:13 | LL | let _ = x << 42; | ^^^^^^^ attempt to shift left by 42_i32 which would overflow warning: this arithmetic operation will overflow --> $DIR/lint-exceeding-bitshifts.rs:27:15 | LL | let n = 1u8 << 8; | ^^^^^^^^ attempt to shift left by 8_i32 which would overflow warning: this arithmetic operation will overflow --> $DIR/lint-exceeding-bitshifts.rs:29:15 | LL | let n = 1u16 << 16; | ^^^^^^^^^^ attempt to shift left by 16_i32 which would overflow warning: this arithmetic operation will overflow --> $DIR/lint-exceeding-bitshifts.rs:31:15 | LL | let n = 1u32 << 32; | ^^^^^^^^^^ attempt to shift left by 32_i32 which would overflow warning: this arithmetic operation will overflow --> $DIR/lint-exceeding-bitshifts.rs:33:15 | LL | let n = 1u64 << 64; | ^^^^^^^^^^ attempt to shift left by 64_i32 which would overflow warning: this arithmetic operation will overflow --> $DIR/lint-exceeding-bitshifts.rs:35:15 | LL | let n = 1i8 << 8; | ^^^^^^^^ attempt to shift left by 8_i32 which would overflow warning: this arithmetic operation will overflow --> $DIR/lint-exceeding-bitshifts.rs:37:15 | LL | let n = 1i16 << 16; | ^^^^^^^^^^ attempt to shift left by 16_i32 which would overflow warning: this arithmetic operation will overflow --> $DIR/lint-exceeding-bitshifts.rs:39:15 | LL | let n = 1i32 << 32; | ^^^^^^^^^^ attempt to shift left by 32_i32 which would overflow warning: this arithmetic operation will overflow --> $DIR/lint-exceeding-bitshifts.rs:41:15 | LL | let n = 1i64 << 64; | ^^^^^^^^^^ attempt to shift left by 64_i32 which would overflow warning: this arithmetic operation will overflow --> $DIR/lint-exceeding-bitshifts.rs:44:15 | LL | let n = 1u8 >> 8; | ^^^^^^^^ attempt to shift right by 8_i32 which would overflow warning: this arithmetic operation will overflow --> $DIR/lint-exceeding-bitshifts.rs:46:15 | LL | let n = 1u16 >> 16; | ^^^^^^^^^^ attempt to shift right by 16_i32 which would overflow warning: this arithmetic operation will overflow --> $DIR/lint-exceeding-bitshifts.rs:48:15 | LL | let n = 1u32 >> 32; | ^^^^^^^^^^ attempt to shift right by 32_i32 which would overflow warning: this arithmetic operation will overflow --> $DIR/lint-exceeding-bitshifts.rs:50:15 | LL | let n = 1u64 >> 64; | ^^^^^^^^^^ attempt to shift right by 64_i32 which would overflow warning: this arithmetic operation will overflow --> $DIR/lint-exceeding-bitshifts.rs:52:15 | LL | let n = 1i8 >> 8; | ^^^^^^^^ attempt to shift right by 8_i32 which would overflow warning: this arithmetic operation will overflow --> $DIR/lint-exceeding-bitshifts.rs:54:15 | LL | let n = 1i16 >> 16; | ^^^^^^^^^^ attempt to shift right by 16_i32 which would overflow warning: this arithmetic operation will overflow --> $DIR/lint-exceeding-bitshifts.rs:56:15 | LL | let n = 1i32 >> 32; | ^^^^^^^^^^ attempt to shift right by 32_i32 which would overflow warning: this arithmetic operation will overflow --> $DIR/lint-exceeding-bitshifts.rs:58:15 | LL | let n = 1i64 >> 64; | ^^^^^^^^^^ attempt to shift right by 64_i32 which would overflow warning: this arithmetic operation will overflow --> $DIR/lint-exceeding-bitshifts.rs:62:15 | LL | let n = n << 8; | ^^^^^^ attempt to shift left by 8_i32 which would overflow warning: this arithmetic operation will overflow --> $DIR/lint-exceeding-bitshifts.rs:64:15 | LL | let n = 1u8 << -8; | ^^^^^^^^^ attempt to shift left by -8_i32 which would overflow warning: this arithmetic operation will overflow --> $DIR/lint-exceeding-bitshifts.rs:69:15 | LL | let n = 1u8 << (4+4); | ^^^^^^^^^^^^ attempt to shift left by 8_i32 which would overflow warning: this arithmetic operation will overflow --> $DIR/lint-exceeding-bitshifts.rs:71:15 | LL | let n = 1i64 >> [64][0]; | ^^^^^^^^^^^^^^^ attempt to shift right by 64_i32 which would overflow warning: this arithmetic operation will overflow --> $DIR/lint-exceeding-bitshifts.rs:77:15 | LL | let n = 1_isize << BITS; | ^^^^^^^^^^^^^^^ attempt to shift left by %BITS% which would overflow warning: this arithmetic operation will overflow --> $DIR/lint-exceeding-bitshifts.rs:78:15 | LL | let n = 1_usize << BITS; | ^^^^^^^^^^^^^^^ attempt to shift left by %BITS% which would overflow warning: 24 warnings emitted