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Implement unused pattern bindings, continued (#6518)
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>
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jonmeow
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@@ -16,7 +16,7 @@ library "[[@TEST_NAME]]";
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fn Negate(a: f64) -> f64 = "float.negate";
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fn RuntimeCallIsValid(a: f64, b: f64) -> f64 {
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fn RuntimeCallIsValid(a: f64, unused b: f64) -> f64 {
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//@dump-sem-ir-begin
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return Negate(a);
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//@dump-sem-ir-end
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