error[E0425]: cannot find value `this` in this scope
  --> $DIR/issue-5099.rs:3:9
   |
LL |         this.a
   |         ^^^^ not found in this scope
   |
help: you might have meant to use `self` here instead
   |
LL |         self.a
   |         ~~~~
help: if you meant to use `self`, you are also missing a `self` receiver argument
   |
LL |     fn a(&self) -> A {
   |          +++++

error[E0425]: cannot find value `this` in this scope
  --> $DIR/issue-5099.rs:6:9
   |
LL |         this.b(x);
   |         ^^^^ not found in this scope
   |
help: you might have meant to use `self` here instead
   |
LL |         self.b(x);
   |         ~~~~
help: if you meant to use `self`, you are also missing a `self` receiver argument
   |
LL |     fn b(&self, x: i32) {
   |          ++++++

error[E0425]: cannot find value `this` in this scope
  --> $DIR/issue-5099.rs:9:20
   |
LL |         let _ = || this.a;
   |                    ^^^^ not found in this scope
   |
help: you might have meant to use `self` here instead
   |
LL |         let _ = || self.a;
   |                    ~~~~
help: if you meant to use `self`, you are also missing a `self` receiver argument
   |
LL |     fn c(&self) {
   |          +++++

error: aborting due to 3 previous errors

For more information about this error, try `rustc --explain E0425`.