1 files changed, 15 insertions, 0 deletions
diff --git a/src/test/ui/lint/issue-86600-lint-twice.rs b/src/test/ui/lint/issue-86600-lint-twice.rs
new file mode 100644
index 000000000..0e8a837d9
--- /dev/null
+++ b/src/test/ui/lint/issue-86600-lint-twice.rs
@@ -0,0 +1,15 @@
+// Regression test for #86600, where an instance of the
+// `illegal_floating_point_literal_pattern` lint was issued twice.
+
+// check-pass
+
+fn main() {
+    let x = 42.0;
+
+    match x {
+        5.0 => {}
+        //~^ WARNING: floating-point types cannot be used in patterns
+        //~| WARNING: this was previously accepted by the compiler
+        _ => {}
+    }
+}