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Do not suggest compatible variants inside macro #142611

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Do not suggest compatible variants inside macro #142611

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xizheyin
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@xizheyin xizheyin commented Jun 17, 2025 •
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Fixes #142359

r? compiler

@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Jun 17, 2025
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BoxyUwU commented Jun 23, 2025 •
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The test doesn't seem to actually reproduce the issue that this fixes? It never suggested to modify std in the first commit. What's up with that

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This may be because #139316 (comment).

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r? compiler

@rustbot rustbot assigned compiler-errors and unassigned BoxyUwU Jul 15, 2025
compiler-errors
compiler-errors requested changes Jul 16, 2025
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@rustbot rustbot added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Jul 16, 2025
xizheyin
xizheyin commented Jul 20, 2025
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@rustbot ready

compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs
Comment on lines 2423 to +2426
while let hir::ExprKind::Block(block, _) = &expr.kind
&& let Some(expr_) = &block.expr
// Only traverse blocks in same context
&& expr_.span.eq_ctxt(expr.span)
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This time, I find the deepest expression in the block tree while staying within the same context. This ensures that suggestions point to user-visible code.

@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Jul 20, 2025
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your first commit hasn't even reproduced the issue, please make sure you can reproduce it before attempting a fix

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if the ui test environment doesn't provide std sources, then we need a configuration that does provide std sources to reproduce

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@fee1-dead Do you have any way to provide std source in ui test? These similar issues cannot be reproduced in ui test at the moment.

cc @jieyouxu And jieyou have any ideas?

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Incorrect suggestion for incompatible match arm types
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