fix tidy (remove whitespace)

Author: lcnr

src/libsyntax/parse/parser.rs

@@ -5394,7 +5394,7 @@ impl<'a> Parser<'a> {
     fn parse_fn_args(&mut self, named_args: bool, allow_variadic: bool)
                      -> PResult<'a, (Vec<Arg> , bool)> {
         self.expect(&token::OpenDelim(token::Paren))?;
-        
+
         let sp = self.span;
         let mut variadic = false;
         let args: Vec<Option<Arg>> =

src/test/ui/invalid-self-argument/bare-fn-start.stderr

@@ -0,0 +1,8 @@
+error: unexpected `self` argument in function
+  --> $DIR/bare-fn-start.rs:1:7
+   |
+LL | fn a(&self) { }
+   |       ^^^^ `self` is only valid as the first argument of a trait function
+
+error: aborting due to previous error
+

src/test/ui/invalid-self-argument/bare-fn.stderr

@@ -0,0 +1,8 @@
+error: unexpected `self` argument in function
+  --> $DIR/bare-fn.rs:1:21
+   |
+LL | fn b(foo: u32, &mut self) { }
+   |                     ^^^^ `self` is only valid as the first argument of a trait function
+
+error: aborting due to previous error
+

src/test/ui/invalid-self-argument/trait-fn.stderr

@@ -0,0 +1,8 @@
+error: unexpected `self` argument in function
+  --> $DIR/trait-fn.rs:4:20
+   |
+LL |     fn c(foo: u32, self) {}
+   |                    ^^^^ `self` is only valid as the first argument of a trait function
+
+error: aborting due to previous error
+