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`nominal_obligations` calls `predicates_of` on a `Sized` obligation, effectively elaborating the trait and making the well-formedness checking machinery do a bunch of extra work checking a `MetaSized` obligation is well-formed, but given that both `Sized` and `MetaSized` are built-ins, if `Sized` is otherwise well-formed, so `MetaSized` will be.
12 lines
352 B
Plaintext
12 lines
352 B
Plaintext
error: lifetime may not live long enough
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--> $DIR/lifetime-incomplete-prefer-sized-builtin-over-wc.rs:20:5
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LL | fn foo<'a, T: ?Sized>()
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| -- lifetime `'a` defined here
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...
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LL | is_sized::<(MyType<'a, T>,)>();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ requires that `'a` must outlive `'static`
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error: aborting due to 1 previous error
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