Rollup merge of #78856 - mark-i-m:fix-or-pat-ice, r=matthewjasper

Explicitly checking for or-pattern before test

Fixes https://github.com/rust-lang/rust/issues/72680

cc https://github.com/rust-lang/rust/issues/54883

r? ````@varkor````

1 files changed, 65 insertions, 0 deletions

diff --git a/src/test/ui/match/issue-72680.rs b/src/test/ui/match/issue-72680.rs
new file mode 100644
index 00000000000..5b933edc820
--- /dev/null
+++ b/src/test/ui/match/issue-72680.rs
@@ -0,0 +1,65 @@
+// run-pass
+
+#![feature(or_patterns)]
+
+fn main() {
+    assert!(f("", 0));
+    assert!(f("a", 1));
+    assert!(f("b", 1));
+
+    assert!(!f("", 1));
+    assert!(!f("a", 0));
+    assert!(!f("b", 0));
+
+    assert!(!f("asdf", 32));
+
+    ////
+
+    assert!(!g(true, true, true));
+    assert!(!g(false, true, true));
+    assert!(!g(true, false, true));
+    assert!(!g(false, false, true));
+    assert!(!g(true, true, false));
+
+    assert!(g(false, true, false));
+    assert!(g(true, false, false));
+    assert!(g(false, false, false));
+
+    ////
+
+    assert!(!h(true, true, true));
+    assert!(!h(false, true, true));
+    assert!(!h(true, false, true));
+    assert!(!h(false, false, true));
+    assert!(!h(true, true, false));
+
+    assert!(h(false, true, false));
+    assert!(h(true, false, false));
+    assert!(h(false, false, false));
+}
+
+fn f(s: &str, num: usize) -> bool {
+    match (s, num) {
+        ("", 0) | ("a" | "b", 1) => true,
+
+        _ => false,
+    }
+}
+
+fn g(x: bool, y: bool, z: bool) -> bool {
+    match (x, y, x, z) {
+        (true | false, false, true, false) => true,
+        (false, true | false, true | false, false) => true,
+        (true | false, true | false, true | false, true) => false,
+        (true, true | false, true | false, false) => false,
+    }
+}
+
+fn h(x: bool, y: bool, z: bool) -> bool {
+    match (x, (y, (x, (z,)))) {
+        (true | false, (false, (true, (false,)))) => true,
+        (false, (true | false, (true | false, (false,)))) => true,
+        (true | false, (true | false, (true | false, (true,)))) => false,
+        (true, (true | false, (true | false, (false,)))) => false,
+    }
+}