51 lines
1.7 KiB
Plaintext
51 lines
1.7 KiB
Plaintext
LL| |#![feature(or_patterns)]
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LL| |
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LL| 1|fn main() {
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LL| 1| // Initialize test constants in a way that cannot be determined at compile time, to ensure
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LL| 1| // rustc and LLVM cannot optimize out statements (or coverage counters) downstream from
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LL| 1| // dependent conditions.
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LL| 1| let is_true = std::env::args().len() == 1;
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LL| 1|
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LL| 1| let mut a: u8 = 0;
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LL| 1| let mut b: u8 = 0;
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LL| 1| if is_true {
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LL| 1| a = 2;
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LL| 1| b = 0;
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LL| 1| }
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^0
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LL| 1| match (a, b) {
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LL| | // Or patterns generate MIR `SwitchInt` with multiple targets to the same `BasicBlock`.
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LL| | // This test confirms a fix for Issue #79569.
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LL| 0| (0 | 1, 2 | 3) => {}
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LL| 1| _ => {}
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LL| | }
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LL| 1| if is_true {
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LL| 1| a = 0;
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LL| 1| b = 0;
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LL| 1| }
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^0
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LL| 1| match (a, b) {
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LL| 0| (0 | 1, 2 | 3) => {}
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LL| 1| _ => {}
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LL| | }
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LL| 1| if is_true {
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LL| 1| a = 2;
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LL| 1| b = 2;
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LL| 1| }
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^0
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LL| 1| match (a, b) {
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LL| 0| (0 | 1, 2 | 3) => {}
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LL| 1| _ => {}
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LL| | }
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LL| 1| if is_true {
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LL| 1| a = 0;
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LL| 1| b = 2;
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LL| 1| }
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^0
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LL| 1| match (a, b) {
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LL| 1| (0 | 1, 2 | 3) => {}
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LL| 0| _ => {}
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LL| | }
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LL| 1|}
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