micro fmt changes

Author: WaffleLapkin

compiler/rustc_parse/src/parser/diagnostics.rs

@@ -1368,6 +1368,7 @@ impl<'a> Parser<'a> {
         };
         self.recover_from_inc_dec(operand_expr, kind, op_span)
     }
+
     fn recover_from_inc_dec(
         &mut self,
         base: P<Expr>,

compiler/rustc_parse/src/parser/expr.rs

@@ -281,6 +281,7 @@ impl<'a> Parser<'a> {
                 lhs = self.recover_from_postfix_increment(lhs, op_span, starts_stmt)?;
                 continue;
             }
+
             if self.prev_token == token::BinOp(token::Minus)
                 && self.token == token::BinOp(token::Minus)
                 && self.prev_token.span.between(self.token.span).is_empty()
@@ -606,7 +607,6 @@ impl<'a> Parser<'a> {
                 let operand_expr = this.parse_dot_or_call_expr(Default::default())?;
                 this.recover_from_prefix_increment(operand_expr, pre_span, starts_stmt)
             }
-
             token::Ident(..) if this.token.is_keyword(kw::Box) => {
                 make_it!(this, attrs, |this, _| this.parse_box_expr(lo))
             }

tests/ui/parser/issue-108495-dec.rs

@@ -1,41 +1,39 @@
-fn test4() {
+fn test0() {
     let mut i = 0;
     let _ = i + i--; //~ ERROR Rust has no postfix decrement operator
     // won't suggest since we can not handle the precedences
 }
 
-fn test5() {
+fn test1() {
     let mut i = 0;
     let _ = i-- + i--; //~ ERROR Rust has no postfix decrement operator
 }
 
-fn test6() {
+fn test2() {
     let mut i = 0;
     let _ = --i + i--; //~ ERROR Rust has no postfix decrement operator
 }
 
-fn test7() {
+fn test3() {
     let mut i = 0;
     let _ = i-- + --i; //~ ERROR Rust has no postfix decrement operator
 }
 
-fn test8() {
+fn test4() {
     let mut i = 0;
     let _ = (1 + 2 + i)--; //~ ERROR Rust has no postfix decrement operator
 }
 
-fn test9() {
+fn test5() {
     let mut i = 0;
     let _ = (i-- + 1) + 2; //~ ERROR Rust has no postfix decrement operator
 }
 
-
-
-fn test14(){
+fn test6(){
     let i=10;
-    while i!=0{
+    while i != 0 {
         i--; //~ ERROR Rust has no postfix decrement operator
     }
 }
 
-fn main() { }
+fn main() {}

tests/ui/parser/issue-108495-dec.stderr

@@ -55,7 +55,7 @@ LL |     let _ = ({ let tmp = i; i -= 1; tmp } + 1) + 2;
    |              +++++++++++  ~~~~~~~~~~~~~~~
 
 error: Rust has no postfix decrement operator
-  --> $DIR/issue-108495-dec.rs:37:10
+  --> $DIR/issue-108495-dec.rs:35:10
    |
 LL |         i--;
    |          ^^ not a valid postfix operator