Reformat float-field.rs test.

- Put every literal in its own braces, rather than just some of them,
  for maximal error recovery.
- Add a blank line between every case, for readability.

Author: nnethercote

tests/ui/parser/float-field.rs

@@ -3,60 +3,89 @@ struct S(u8, (u8, u8));
 fn main() {
     let s = S(0, (0, 0));
 
-    s.1e1; //~ ERROR no field `1e1` on type `S`
-    s.1.; //~ ERROR unexpected token: `;`
-    s.1.1;
-    s.1.1e1; //~ ERROR no field `1e1` on type `(u8, u8)`
+    { s.1e1; } //~ ERROR no field `1e1` on type `S`
+
+    { s.1.; } //~ ERROR unexpected token: `;`
+
+    { s.1.1; }
+
+    { s.1.1e1; } //~ ERROR no field `1e1` on type `(u8, u8)`
+
     { s.1e+; } //~ ERROR unexpected token: `1e+`
                //~| ERROR expected one of `.`, `;`, `?`, `}`, or an operator, found `1e+`
                //~| ERROR expected at least one digit in exponent
+
     { s.1e-; } //~ ERROR unexpected token: `1e-`
                //~| ERROR expected one of `.`, `;`, `?`, `}`, or an operator, found `1e-`
                //~| ERROR expected at least one digit in exponent
+
     { s.1e+1; } //~ ERROR unexpected token: `1e+1`
                 //~| ERROR expected one of `.`, `;`, `?`, `}`, or an operator, found `1e+1`
+
     { s.1e-1; } //~ ERROR unexpected token: `1e-1`
                 //~| ERROR expected one of `.`, `;`, `?`, `}`, or an operator, found `1e-1`
+
     { s.1.1e+1; } //~ ERROR unexpected token: `1.1e+1`
                   //~| ERROR expected one of `.`, `;`, `?`, `}`, or an operator, found `1.1e+1`
+
     { s.1.1e-1; } //~ ERROR unexpected token: `1.1e-1`
                   //~| ERROR expected one of `.`, `;`, `?`, `}`, or an operator, found `1.1e-1`
-    s.0x1e1;  //~ ERROR no field `0x1e1` on type `S`
-    s.0x1.; //~ ERROR no field `0x1` on type `S`
-            //~| ERROR hexadecimal float literal is not supported
-            //~| ERROR unexpected token: `;`
-    s.0x1.1; //~ ERROR no field `0x1` on type `S`
-             //~| ERROR hexadecimal float literal is not supported
-    s.0x1.1e1; //~ ERROR no field `0x1` on type `S`
-               //~| ERROR hexadecimal float literal is not supported
+
+    { s.0x1e1; } //~ ERROR no field `0x1e1` on type `S`
+
+    { s.0x1.; } //~ ERROR no field `0x1` on type `S`
+                //~| ERROR hexadecimal float literal is not supported
+                //~| ERROR unexpected token: `;`
+
+    { s.0x1.1; } //~ ERROR no field `0x1` on type `S`
+                 //~| ERROR hexadecimal float literal is not supported
+
+    { s.0x1.1e1; } //~ ERROR no field `0x1` on type `S`
+                   //~| ERROR hexadecimal float literal is not supported
+
     { s.0x1e+; } //~ ERROR expected expression, found `;`
+
     { s.0x1e-; } //~ ERROR expected expression, found `;`
-    s.0x1e+1; //~ ERROR no field `0x1e` on type `S`
-    s.0x1e-1; //~ ERROR no field `0x1e` on type `S`
+
+    { s.0x1e+1; } //~ ERROR no field `0x1e` on type `S`
+
+    { s.0x1e-1; } //~ ERROR no field `0x1e` on type `S`
+
     { s.0x1.1e+1; } //~ ERROR unexpected token: `0x1.1e+1`
                     //~| ERROR expected one of `.`, `;`, `?`, `}`, or an operator, found `0x1.1e+1`
                     //~| ERROR hexadecimal float literal is not supported
+
     { s.0x1.1e-1; } //~ ERROR unexpected token: `0x1.1e-1`
                     //~| ERROR expected one of `.`, `;`, `?`, `}`, or an operator, found `0x1.1e-1`
                     //~| ERROR hexadecimal float literal is not supported
-    s.1e1f32; //~ ERROR no field `1e1` on type `S`
-              //~| ERROR suffixes on a tuple index are invalid
-    s.1.f32; //~ ERROR no field `f32` on type `(u8, u8)`
-    s.1.1f32; //~ ERROR suffixes on a tuple index are invalid
-    s.1.1e1f32; //~ ERROR no field `1e1` on type `(u8, u8)`
-                //~| ERROR suffixes on a tuple index are invalid
+
+    { s.1e1f32; } //~ ERROR no field `1e1` on type `S`
+                  //~| ERROR suffixes on a tuple index are invalid
+
+    { s.1.f32; } //~ ERROR no field `f32` on type `(u8, u8)`
+
+    { s.1.1f32; } //~ ERROR suffixes on a tuple index are invalid
+
+    { s.1.1e1f32; } //~ ERROR no field `1e1` on type `(u8, u8)`
+                    //~| ERROR suffixes on a tuple index are invalid
+
     { s.1e+f32; } //~ ERROR unexpected token: `1e+f32`
                   //~| ERROR expected one of `.`, `;`, `?`, `}`, or an operator, found `1e+f32`
                   //~| ERROR expected at least one digit in exponent
+
     { s.1e-f32; } //~ ERROR unexpected token: `1e-f32`
                   //~| ERROR expected one of `.`, `;`, `?`, `}`, or an operator, found `1e-f32`
                   //~| ERROR expected at least one digit in exponent
+
     { s.1e+1f32; } //~ ERROR unexpected token: `1e+1f32`
                    //~| ERROR expected one of `.`, `;`, `?`, `}`, or an operator, found `1e+1f32`
+
     { s.1e-1f32; } //~ ERROR unexpected token: `1e-1f32`
                    //~| ERROR expected one of `.`, `;`, `?`, `}`, or an operator, found `1e-1f32`
+
     { s.1.1e+1f32; } //~ ERROR unexpected token: `1.1e+1f32`
                     //~| ERROR expected one of `.`, `;`, `?`, `}`, or an operator, found `1.1e+1f32`
+
     { s.1.1e-1f32; } //~ ERROR unexpected token: `1.1e-1f32`
                     //~| ERROR expected one of `.`, `;`, `?`, `}`, or an operator, found `1.1e-1f32`
 }