Move /src/test to /tests
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45
tests/run-make/coverage/match_or_pattern.rs
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45
tests/run-make/coverage/match_or_pattern.rs
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#![feature(or_patterns)]
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fn main() {
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// Initialize test constants in a way that cannot be determined at compile time, to ensure
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// rustc and LLVM cannot optimize out statements (or coverage counters) downstream from
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// dependent conditions.
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let is_true = std::env::args().len() == 1;
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let mut a: u8 = 0;
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let mut b: u8 = 0;
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if is_true {
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a = 2;
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b = 0;
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}
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match (a, b) {
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// Or patterns generate MIR `SwitchInt` with multiple targets to the same `BasicBlock`.
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// This test confirms a fix for Issue #79569.
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(0 | 1, 2 | 3) => {}
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_ => {}
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}
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if is_true {
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a = 0;
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b = 0;
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}
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match (a, b) {
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(0 | 1, 2 | 3) => {}
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_ => {}
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}
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if is_true {
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a = 2;
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b = 2;
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}
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match (a, b) {
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(0 | 1, 2 | 3) => {}
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_ => {}
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}
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if is_true {
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a = 0;
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b = 2;
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}
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match (a, b) {
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(0 | 1, 2 | 3) => {}
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_ => {}
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}
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}
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