error: generator cannot be sent between threads safely
  --> $DIR/parent-expression.rs:23:13
   |
LL |               assert_send(g);
   |               ^^^^^^^^^^^ generator is not `Send`
...
LL | /     type_combinations!(
LL | |         // OK
LL | |         copy => { #[derive(Copy, Clone, Default)] pub struct Client; };
LL | |         // NOT OK: MIR borrowck thinks that this is used after the yield, even though
...  |
LL | |         };
LL | |     );
   | |_____- in this macro invocation
   |
   = help: within `{generator@$DIR/parent-expression.rs:17:21: 17:28}`, the trait `Send` is not implemented for `derived_drop::Client`
note: generator is not `Send` as this value is used across a yield
  --> $DIR/parent-expression.rs:21:22
   |
LL |               let g = move || match drop($name::Client { ..$name::Client::default() }) {
   |                                                            ------------------------ has type `derived_drop::Client` which is not `Send`
...
LL |                   _ => yield,
   |                        ^^^^^ yield occurs here, with `$name::Client::default()` maybe used later
...
LL | /     type_combinations!(
LL | |         // OK
LL | |         copy => { #[derive(Copy, Clone, Default)] pub struct Client; };
LL | |         // NOT OK: MIR borrowck thinks that this is used after the yield, even though
...  |
LL | |         };
LL | |     );
   | |_____- in this macro invocation
note: required by a bound in `assert_send`
  --> $DIR/parent-expression.rs:40:19
   |
LL | fn assert_send<T: Send>(_thing: T) {}
   |                   ^^^^ required by this bound in `assert_send`
   = note: this error originates in the macro `type_combinations` (in Nightly builds, run with -Z macro-backtrace for more info)

error: generator cannot be sent between threads safely
  --> $DIR/parent-expression.rs:23:13
   |
LL |               assert_send(g);
   |               ^^^^^^^^^^^ generator is not `Send`
...
LL | /     type_combinations!(
LL | |         // OK
LL | |         copy => { #[derive(Copy, Clone, Default)] pub struct Client; };
LL | |         // NOT OK: MIR borrowck thinks that this is used after the yield, even though
...  |
LL | |         };
LL | |     );
   | |_____- in this macro invocation
   |
   = help: within `{generator@$DIR/parent-expression.rs:17:21: 17:28}`, the trait `Send` is not implemented for `significant_drop::Client`
note: generator is not `Send` as this value is used across a yield
  --> $DIR/parent-expression.rs:21:22
   |
LL |               let g = move || match drop($name::Client { ..$name::Client::default() }) {
   |                                                            ------------------------ has type `significant_drop::Client` which is not `Send`
...
LL |                   _ => yield,
   |                        ^^^^^ yield occurs here, with `$name::Client::default()` maybe used later
...
LL | /     type_combinations!(
LL | |         // OK
LL | |         copy => { #[derive(Copy, Clone, Default)] pub struct Client; };
LL | |         // NOT OK: MIR borrowck thinks that this is used after the yield, even though
...  |
LL | |         };
LL | |     );
   | |_____- in this macro invocation
note: required by a bound in `assert_send`
  --> $DIR/parent-expression.rs:40:19
   |
LL | fn assert_send<T: Send>(_thing: T) {}
   |                   ^^^^ required by this bound in `assert_send`
   = note: this error originates in the macro `type_combinations` (in Nightly builds, run with -Z macro-backtrace for more info)

error: generator cannot be sent between threads safely
  --> $DIR/parent-expression.rs:23:13
   |
LL |               assert_send(g);
   |               ^^^^^^^^^^^ generator is not `Send`
...
LL | /     type_combinations!(
LL | |         // OK
LL | |         copy => { #[derive(Copy, Clone, Default)] pub struct Client; };
LL | |         // NOT OK: MIR borrowck thinks that this is used after the yield, even though
...  |
LL | |         };
LL | |     );
   | |_____- in this macro invocation
   |
   = help: within `{generator@$DIR/parent-expression.rs:17:21: 17:28}`, the trait `Send` is not implemented for `insignificant_dtor::Client`
note: generator is not `Send` as this value is used across a yield
  --> $DIR/parent-expression.rs:21:22
   |
LL |               let g = move || match drop($name::Client { ..$name::Client::default() }) {
   |                                                            ------------------------ has type `insignificant_dtor::Client` which is not `Send`
...
LL |                   _ => yield,
   |                        ^^^^^ yield occurs here, with `$name::Client::default()` maybe used later
...
LL | /     type_combinations!(
LL | |         // OK
LL | |         copy => { #[derive(Copy, Clone, Default)] pub struct Client; };
LL | |         // NOT OK: MIR borrowck thinks that this is used after the yield, even though
...  |
LL | |         };
LL | |     );
   | |_____- in this macro invocation
note: required by a bound in `assert_send`
  --> $DIR/parent-expression.rs:40:19
   |
LL | fn assert_send<T: Send>(_thing: T) {}
   |                   ^^^^ required by this bound in `assert_send`
   = note: this error originates in the macro `type_combinations` (in Nightly builds, run with -Z macro-backtrace for more info)

error: aborting due to 3 previous errors