From cc7294c751fd700b77c3556eaae8507661f08f22 Mon Sep 17 00:00:00 2001
From: varkor <github@varkor.com>
Date: Wed, 23 Oct 2019 17:09:56 +0100
Subject: [PATCH] Add regression test for #62579

---
 .../const-generics/issues/issue-62579-no-match.rs | 15 +++++++++++++++
 .../issues/issue-62579-no-match.stderr            |  8 ++++++++
 2 files changed, 23 insertions(+)
 create mode 100644 src/test/ui/const-generics/issues/issue-62579-no-match.rs
 create mode 100644 src/test/ui/const-generics/issues/issue-62579-no-match.stderr

diff --git a/src/test/ui/const-generics/issues/issue-62579-no-match.rs b/src/test/ui/const-generics/issues/issue-62579-no-match.rs
new file mode 100644
index 000000000000..0ff7ddc41fe4
--- /dev/null
+++ b/src/test/ui/const-generics/issues/issue-62579-no-match.rs
@@ -0,0 +1,15 @@
+// run-pass
+
+#![feature(const_generics)]
+//~^ WARN the feature `const_generics` is incomplete and may cause the compiler to crash
+
+#[derive(PartialEq, Eq)]
+struct NoMatch;
+
+fn foo<const T: NoMatch>() -> bool {
+    true
+}
+
+fn main() {
+    foo::<{NoMatch}>();
+}
diff --git a/src/test/ui/const-generics/issues/issue-62579-no-match.stderr b/src/test/ui/const-generics/issues/issue-62579-no-match.stderr
new file mode 100644
index 000000000000..759d5fdeb4c1
--- /dev/null
+++ b/src/test/ui/const-generics/issues/issue-62579-no-match.stderr
@@ -0,0 +1,8 @@
+warning: the feature `const_generics` is incomplete and may cause the compiler to crash
+  --> $DIR/issue-62579-no-match.rs:3:12
+   |
+LL | #![feature(const_generics)]
+   |            ^^^^^^^^^^^^^^
+   |
+   = note: `#[warn(incomplete_features)]` on by default
+