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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:13 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:13 +0000
commit218caa410aa38c29984be31a5229b9fa717560ee (patch)
treec54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/consts/const_in_pattern/no-eq-branch-fail.rs
parentReleasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff)
downloadrustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz
rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/consts/const_in_pattern/no-eq-branch-fail.rs')
-rw-r--r--tests/ui/consts/const_in_pattern/no-eq-branch-fail.rs25
1 files changed, 25 insertions, 0 deletions
diff --git a/tests/ui/consts/const_in_pattern/no-eq-branch-fail.rs b/tests/ui/consts/const_in_pattern/no-eq-branch-fail.rs
new file mode 100644
index 000000000..fc80d51c7
--- /dev/null
+++ b/tests/ui/consts/const_in_pattern/no-eq-branch-fail.rs
@@ -0,0 +1,25 @@
+#![warn(indirect_structural_match)]
+
+struct NoEq;
+
+enum Foo {
+ Bar,
+ Baz,
+ Qux(NoEq),
+}
+
+// Even though any of these values can be compared structurally, we still disallow it in a pattern
+// because `Foo` does not impl `PartialEq`.
+const BAR_BAZ: Foo = if 42 == 42 {
+ Foo::Baz
+} else {
+ Foo::Bar
+};
+
+fn main() {
+ match Foo::Qux(NoEq) {
+ BAR_BAZ => panic!(),
+ //~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]`
+ _ => {}
+ }
+}