From 5b0a083124074dde0ccb6f559cda031d2339f0da Mon Sep 17 00:00:00 2001
From: Dan Gohman <sunfish@mozilla.com>
Date: Tue, 3 Oct 2017 06:51:49 -0700
Subject: [PATCH] Avoid unnecessary BufReaders.

---
 src/main.rs     | 7 +++----
 src/wasm2obj.rs | 6 ++----
 2 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index e0d3728124..e9caec11c2 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -35,7 +35,7 @@ use cretonne::settings;
 use std::fs::File;
 use std::error::Error;
 use std::io;
-use std::io::{BufReader, stdout};
+use std::io::stdout;
 use std::io::prelude::*;
 use docopt::Docopt;
 use std::path::Path;
@@ -93,9 +93,8 @@ struct Args {
 
 fn read_wasm_file(path: PathBuf) -> Result<Vec<u8>, io::Error> {
     let mut buf: Vec<u8> = Vec::new();
-    let file = File::open(path)?;
-    let mut buf_reader = BufReader::new(file);
-    buf_reader.read_to_end(&mut buf)?;
+    let mut file = File::open(path)?;
+    file.read_to_end(&mut buf)?;
     Ok(buf)
 }
 
diff --git a/src/wasm2obj.rs b/src/wasm2obj.rs
index 3912d974b1..f615957eb9 100644
--- a/src/wasm2obj.rs
+++ b/src/wasm2obj.rs
@@ -21,7 +21,6 @@ use std::path::PathBuf;
 use std::fs::File;
 use std::error::Error;
 use std::io;
-use std::io::BufReader;
 use std::io::prelude::*;
 use docopt::Docopt;
 use std::path::Path;
@@ -53,9 +52,8 @@ struct Args {
 
 fn read_wasm_file(path: PathBuf) -> Result<Vec<u8>, io::Error> {
     let mut buf: Vec<u8> = Vec::new();
-    let file = File::open(path)?;
-    let mut buf_reader = BufReader::new(file);
-    buf_reader.read_to_end(&mut buf)?;
+    let mut file = File::open(path)?;
+    file.read_to_end(&mut buf)?;
     Ok(buf)
 }