fix: false positive double_negations when it jumps macro boundary

2025-07-16 15:39:31 +09:00
parent 3014e79f9c
commit fad8dec970
3 changed files with 38 additions and 0 deletions
--- a/compiler/rustc_lint/src/builtin.rs
+++ b/compiler/rustc_lint/src/builtin.rs
@@ -1584,6 +1584,8 @@ impl EarlyLintPass for DoubleNegations {
        if let ExprKind::Unary(UnOp::Neg, ref inner) = expr.kind
            && let ExprKind::Unary(UnOp::Neg, ref inner2) = inner.kind
            && !matches!(inner2.kind, ExprKind::Unary(UnOp::Neg, _))
+            // Don't lint if this jumps macro expansion boundary (Issue #143980)
+            && expr.span.eq_ctxt(inner.span)
        {
            cx.emit_span_lint(
                DOUBLE_NEGATIONS,