Style/comment adjustment

Author: saethlin

cargo-miri/bin.rs

@@ -258,7 +258,7 @@ fn exec(mut cmd: Command) -> ! {
         let exit_status = cmd.status().expect("failed to run command");
         std::process::exit(exit_status.code().unwrap_or(-1))
     }
-    // On Unix targets, actually exec
+    // On Unix targets, actually exec.
     // If exec returns, process setup has failed. This is the same error condition as the expect in
     // the non-Unix case.
     #[cfg(unix)]
@@ -281,11 +281,9 @@ where
     {
         // Write the bytes we want to send to stdin out to a file
         std::fs::write(&path, input).unwrap();
-
         // Open the file for reading, and set our new stdin to it
         let stdin = File::open(&path).unwrap();
         cmd.stdin(stdin);
-
         // Unlink the file so that it is fully cleaned up as soon as the new process exits
         std::fs::remove_file(&path).unwrap();
         exec(cmd)
@@ -924,7 +922,7 @@ fn phase_rustc(mut args: impl Iterator<Item = String>, phase: RustcPhase) {
             let mut args = env.args.clone();
             for i in 0..args.len() {
                 if args[i] == "-o" {
-                    args[i + 1].push_str("_miri");
+                    args[i + 1].push_str(".miri");
                 }
             }