From 914befeae2ff65c4b3388c34a27bc13fed24d350 Mon Sep 17 00:00:00 2001
From: Thomas Lively <tlively@google.com>
Date: Tue, 7 Jan 2020 07:03:45 -0800
Subject: [PATCH] Update LLVM to fix crash on Emscripten targets

Pulls in a bug fix from upstream to resolve #66308. Also adds a small
Rust regression test.

r? @alexcrichton
---
 src/llvm-project                  | 2 +-
 src/test/ui/issues/issue-66308.rs | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)
 create mode 100644 src/test/ui/issues/issue-66308.rs

diff --git a/src/llvm-project b/src/llvm-project
index 9330ec5a4c1df..24100f0901e98 160000
--- a/src/llvm-project
+++ b/src/llvm-project
@@ -1 +1 @@
-Subproject commit 9330ec5a4c1df5fc1fa62f993ed6a04da68cb040
+Subproject commit 24100f0901e9848cfa0945e94a455e0ff1b22630
diff --git a/src/test/ui/issues/issue-66308.rs b/src/test/ui/issues/issue-66308.rs
new file mode 100644
index 0000000000000..5dc9378422cfd
--- /dev/null
+++ b/src/test/ui/issues/issue-66308.rs
@@ -0,0 +1,8 @@
+// build-pass
+// compile-flags: --crate-type lib
+
+// Regression test for LLVM crash affecting Emscripten targets
+
+pub fn foo() {
+    (0..0).rev().next();
+}