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The suboptimal error only appears with NLLs due to liveness differences where polonius cannot have as many boring locals. Sometimes this causes NLLs to emit a duplicate error as well.
36 lines
738 B
Rust
36 lines
738 B
Rust
// Test that we don't ICE when computing the drop types for
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//@ ignore-compare-mode-polonius (explicit revisions)
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//@ revisions: nll polonius
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//@ [polonius] compile-flags: -Zpolonius=next
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trait Decode<'a> {
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type Decoder;
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}
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trait NonImplementedTrait {
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type Assoc;
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}
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struct NonImplementedStruct;
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pub struct ADecoder<'a> {
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b: <B as Decode<'a>>::Decoder,
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}
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fn make_a_decoder<'a>() -> ADecoder<'a> {
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//~^ ERROR the trait bound
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//[nll]~| ERROR the trait bound
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panic!()
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}
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struct B;
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impl<'a> Decode<'a> for B {
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type Decoder = BDecoder;
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//~^ ERROR the trait bound
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}
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pub struct BDecoder {
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non_implemented: <NonImplementedStruct as NonImplementedTrait>::Assoc,
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//~^ ERROR the trait bound
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}
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fn main() {}
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