fix never_loop

Author: camsteffen

clippy_lints/src/attrs.rs

@@ -184,16 +184,15 @@ fn is_relevant_trait(tcx: ty::TyCtxt, item: &TraitItem) -> bool {
 }
 
 fn is_relevant_block(tcx: ty::TyCtxt, tables: &ty::TypeckTables, block: &Block) -> bool {
-    for stmt in &block.stmts {
+    if let Some(stmt) = block.stmts.first() {
         match stmt.node {
-            StmtDecl(_, _) => return true,
+            StmtDecl(_, _) => true,
             StmtExpr(ref expr, _) |
-            StmtSemi(ref expr, _) => {
-                return is_relevant_expr(tcx, tables, expr);
-            },
+            StmtSemi(ref expr, _) => is_relevant_expr(tcx, tables, expr),
         }
+    } else {
+        block.expr.as_ref().map_or(false, |e| is_relevant_expr(tcx, tables, e))
     }
-    block.expr.as_ref().map_or(false, |e| is_relevant_expr(tcx, tables, e))
 }
 
 fn is_relevant_expr(tcx: ty::TyCtxt, tables: &ty::TypeckTables, expr: &Expr) -> bool {