Cache ambiguous trait results with caution around closures#21485
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nikomatsakis wants to merge 1 commit intorust-lang:masterfrom
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Cache ambiguous trait results with caution around closures#21485nikomatsakis wants to merge 1 commit intorust-lang:masterfrom
nikomatsakis wants to merge 1 commit intorust-lang:masterfrom
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…e by-product within. Fixes rust-lang#19499.
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r? @brson (rust_highfive has picked a reviewer for you, use r? to override) |
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Closing in favor of #21523 to spare bors |
lnicola
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Improve move_guard redundanted block
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Do not cache ambiguous results unless there is at least some inference by-product within.
Fixes #19499.