error: numeric float literals must have a significant
  --> $DIR/issue-52496.rs:4:24
   |
LL |     let _ = Foo { bar: .5, baz: 42 };
   |                        ^^ help: numeric float literals must have a significant: `0.5`

error: expected one of `,` or `}`, found `.`
  --> $DIR/issue-52496.rs:9:22
   |
LL |     let _ = Foo { bar.into(), bat: -1, . };
   |             ---      ^ expected one of `,` or `}` here
   |             |
   |             while parsing this struct

error: expected identifier, found `.`
  --> $DIR/issue-52496.rs:9:40
   |
LL |     let _ = Foo { bar.into(), bat: -1, . };
   |             ---                        ^ expected identifier
   |             |
   |             while parsing this struct

error[E0308]: mismatched types
  --> $DIR/issue-52496.rs:4:24
   |
LL |     let _ = Foo { bar: .5, baz: 42 };
   |                        ^^ expected f64, found f32
help: change the type of the numeric literal from `f32` to `f64`
   |
LL |     let _ = Foo { bar: .5f64, baz: 42 };
   |                        ^^^^^

error[E0063]: missing field `bat` in initializer of `Foo`
  --> $DIR/issue-52496.rs:4:13
   |
LL |     let _ = Foo { bar: .5, baz: 42 };
   |             ^^^ missing `bat`

error[E0308]: mismatched types
  --> $DIR/issue-52496.rs:9:19
   |
LL |     let _ = Foo { bar.into(), bat: -1, . };
   |                   ^^^ expected f64, found f32
help: you can cast an `f32` to `f64` in a lossless way
   |
LL |     let _ = Foo { bar.into().into(), bat: -1, . };
   |                   ^^^^^^^^^^

error[E0063]: missing field `baz` in initializer of `Foo`
  --> $DIR/issue-52496.rs:9:13
   |
LL |     let _ = Foo { bar.into(), bat: -1, . };
   |             ^^^ missing `baz`

error: aborting due to 7 previous errors

Some errors occurred: E0063, E0308.
For more information about an error, try `rustc --explain E0063`.