From fd76d236e42378d0feaf5df6dbdbd2db89ba0f1f Mon Sep 17 00:00:00 2001
From: Camelid <37223377+camelid@users.noreply.github.com>
Date: Mon, 1 Jun 2020 10:52:07 -0700
Subject: [PATCH] Use `bug!` instead of `panic!`

Co-authored-by: varkor <github@varkor.com>
---
 src/librustc_typeck/astconv.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/librustc_typeck/astconv.rs b/src/librustc_typeck/astconv.rs
index 9b47c4c7dde..7173ed3d24e 100644
--- a/src/librustc_typeck/astconv.rs
+++ b/src/librustc_typeck/astconv.rs
@@ -489,7 +489,9 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
             "lifetime" => ParamKindOrd::Lifetime,
             "type" => ParamKindOrd::Type,
             "constant" => ParamKindOrd::Const,
-            _ => panic!(),
+            // It's more concise to match on the string representation, though it means
+            // the match is non-exhaustive.
+            _ => bug!("invalid generic parameter kind"),
         };
         let arg_ord = match arg {
             GenericArg::Lifetime(_) => ParamKindOrd::Lifetime,