From 324a395a95de0f12f124b1469dc91854676e01fd Mon Sep 17 00:00:00 2001
From: Dan Gohman <sunfish@mozilla.com>
Date: Tue, 3 Oct 2017 12:20:37 -0700
Subject: [PATCH] Make the "wat2wasm" error message not panic.

---
 src/main.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index e9caec11c2..02d4cb16b4 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -163,8 +163,7 @@ fn handle_module(args: &Args, path: PathBuf, name: &str, isa: &TargetIsa) -> Res
                             return Err(String::from("wat2wasm not found"));
                         } else {
                             return Err(String::from(e.description()));
-                        })
-                        .unwrap();
+                        })?;
                     match read_wasm_file(file_path) {
                         Ok(data) => data,
                         Err(err) => {