From 25b8b45a415196be0b4ebcc54c9d5c26dc13339e Mon Sep 17 00:00:00 2001
From: Dan Gohman <sunfish@mozilla.com>
Date: Tue, 3 Oct 2017 09:34:41 -0700
Subject: [PATCH] Avoid unnecessary BufReaders.

---
 cranelift/src/wasm.rs       | 6 ++----
 lib/wasm/tests/testsuite.rs | 6 ++----
 2 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/cranelift/src/wasm.rs b/cranelift/src/wasm.rs
index dc9c6ba188..81331faa40 100644
--- a/cranelift/src/wasm.rs
+++ b/cranelift/src/wasm.rs
@@ -13,7 +13,6 @@ use cretonne::isa::{self, TargetIsa};
 use std::fs::File;
 use std::error::Error;
 use std::io;
-use std::io::BufReader;
 use std::io::prelude::*;
 use std::path::Path;
 use std::process::Command;
@@ -39,9 +38,8 @@ macro_rules! vprint {
 
 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/lib/wasm/tests/testsuite.rs b/lib/wasm/tests/testsuite.rs
index b5fe5997e8..d992de753e 100644
--- a/lib/wasm/tests/testsuite.rs
+++ b/lib/wasm/tests/testsuite.rs
@@ -8,7 +8,6 @@ use std::fs::File;
 use std::error::Error;
 use std::io;
 use std::str;
-use std::io::BufReader;
 use std::io::prelude::*;
 use std::process::Command;
 use std::fs;
@@ -43,9 +42,8 @@ fn return_at_end() {
 
 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)
 }