Fix clippy.

Author: cjgillot

src/tools/clippy/clippy_lints/src/functions.rs

@@ -255,7 +255,7 @@ impl<'tcx> LateLintPass<'tcx> for Functions {
             intravisit::FnKind::Closure(_) => return,
         };
 
-        let span = cx.tcx.hir().span(hir_id);
+        let span = cx.tcx.hir().span_with_body(hir_id);
 
         // don't warn for implementations, it's not their fault
         if !is_trait_impl_item(cx, hir_id) {

src/tools/clippy/clippy_lints/src/missing_const_for_fn.rs

@@ -100,7 +100,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingConstForFn {
         }
 
         let def_id = cx.tcx.hir().local_def_id(hir_id);
-        let span = cx.tcx.hir().span(hir_id);
+        let span = cx.tcx.hir().span_with_body(hir_id);
 
         if in_external_macro(cx.tcx.sess, span) || is_entrypoint_fn(cx, def_id.to_def_id()) {
             return;

src/tools/clippy/clippy_lints/src/panic_in_result_fn.rs

@@ -45,7 +45,7 @@ impl<'tcx> LateLintPass<'tcx> for PanicInResultFn {
         if !matches!(fn_kind, FnKind::Closure(_))
             && is_type_diagnostic_item(cx, return_ty(cx, hir_id), sym::result_type)
         {
-            let span = cx.tcx.hir().span(hir_id);
+            let span = cx.tcx.hir().span_with_body(hir_id);
             lint_impl_body(cx, span, body);
         }
     }

src/tools/clippy/clippy_lints/src/unnecessary_wraps.rs

@@ -108,11 +108,10 @@ impl<'tcx> LateLintPass<'tcx> for UnnecessaryWraps {
         });
 
         if can_sugg && !suggs.is_empty() {
-            let span = cx.tcx.hir().span(hir_id);
             span_lint_and_then(
                 cx,
                 UNNECESSARY_WRAPS,
-                span,
+                cx.tcx.hir().span_with_body(hir_id),
                 format!(
                     "this function's return value is unnecessarily wrapped by `{}`",
                     return_type