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-rw-r--r--tests/ui/rfc-2008-non-exhaustive/uninhabited/match_with_exhaustive_patterns.rs37
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diff --git a/tests/ui/rfc-2008-non-exhaustive/uninhabited/match_with_exhaustive_patterns.rs b/tests/ui/rfc-2008-non-exhaustive/uninhabited/match_with_exhaustive_patterns.rs
new file mode 100644
index 000000000..900dfff65
--- /dev/null
+++ b/tests/ui/rfc-2008-non-exhaustive/uninhabited/match_with_exhaustive_patterns.rs
@@ -0,0 +1,37 @@
+// aux-build:uninhabited.rs
+#![deny(unreachable_patterns)]
+#![feature(exhaustive_patterns)]
+#![feature(never_type)]
+
+extern crate uninhabited;
+
+use uninhabited::{
+ UninhabitedEnum,
+ UninhabitedStruct,
+ UninhabitedTupleStruct,
+ UninhabitedVariants,
+};
+
+struct A;
+
+// This test checks that an empty match on a non-exhaustive uninhabited type from an extern crate
+// will not compile. In particular, this enables the `exhaustive_patterns` feature as this can
+// change the branch used in the compiler to determine this.
+
+fn cannot_empty_match_on_empty_enum_to_anything(x: UninhabitedEnum) -> A {
+ match x {} //~ ERROR non-exhaustive patterns
+}
+
+fn cannot_empty_match_on_empty_struct_to_anything(x: UninhabitedStruct) -> A {
+ match x {} //~ ERROR non-exhaustive patterns
+}
+
+fn cannot_empty_match_on_empty_tuple_struct_to_anything(x: UninhabitedTupleStruct) -> A {
+ match x {} //~ ERROR non-exhaustive patterns
+}
+
+fn cannot_empty_match_on_enum_with_empty_variants_struct_to_anything(x: UninhabitedVariants) -> A {
+ match x {} //~ ERROR non-exhaustive patterns
+}
+
+fn main() {}