Improve coverage spans for chained function calls #84529
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Fixes: rust-lang#84180 For chained function calls separated by the `?` try operator, the function call following the try operator produced a MIR `Call` span that matched the span of the first call. The `?` try operator started a new span, so the second call got no span. It turns out the MIR `Call` terminator has a `func` `Operand` for the `Constant` representing the function name, and the function name's Span can be used to reset the starting position of the span.
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Nice. @bors r+ rollup |
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📌 Commit 41667e8 has been approved by |
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Rollup of 5 pull requests Successful merges: - rust-lang#84529 (Improve coverage spans for chained function calls) - rust-lang#84616 (Fix empty dom toggle) - rust-lang#84622 (Make traits with GATs not object safe) - rust-lang#84624 (Make sentence in env::args_os' docs plain and simple) - rust-lang#84642 (Stabilize vec_extend_from_within) Failed merges: - rust-lang#84636 (rustdoc: change aliases attribute to data-aliases) r? `@ghost` `@rustbot` modify labels: rollup
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Fixes: #84180
For chained function calls separated by the
?try operator, thefunction call following the try operator produced a MIR
Callspan thatmatched the span of the first call. The
?try operator started a newspan, so the second call got no span.
It turns out the MIR
Callterminator has afuncOperandfor the
Constantrepresenting the function name, and the functionname's Span can be used to reset the starting position of the span.
r? @tmandry
cc: @wesleywiser