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Implement unused pattern bindings, continued (#6518)

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Implementation of unused pattern bindings #2022, continued.

Whereas previous PR #6460 took care of parsing, and PR #6479 prepared
the stage by using _ in some test cases, this PR has the the actual
implementation, using a simple dataflow analysis.

---------

Co-authored-by: Burak Emir <bqe@google.com>
Co-authored-by: jonmeow <jperkins@google.com>
This commit is contained in:
Burak Emir
2026-02-19 23:33:36 +00:00
committed by GitHub
co-authored by Burak Emir jonmeow
parent bea24a8bee
commit fdb188ccfd
366 changed files with 8453 additions and 7996 deletions
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toolchain/check/function.h
+2 -1
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@@ -112,7 +112,8 @@ struct FinishFunctionSignatureResult {
};
// Finishes signatures started by `StartFunctionSignature`.
auto FinishFunctionSignature(Context& context) -> FinishFunctionSignatureResult;
auto FinishFunctionSignature(Context& context, bool check_unused = true)
-> FinishFunctionSignatureResult;
// Creates a function object for the given function declaration. The caller must
// add the returned `decl_id` to a block (typically the current block or