correct usage of snippet_with_context

Author: dbaranov34

clippy_lints/src/useless_pathbuf_conversion.rs

@@ -45,7 +45,7 @@ impl<'tcx> LateLintPass<'tcx> for UselessPathbufConversion {
             && is_type_diagnostic_item(cx, *inner_ty, sym::Path)
         {
             let mut app = Applicability::MachineApplicable;
-            let arg_snippet = snippet_with_context(cx, arg.span, arg.span.ctxt(), "..", &mut app).0;
+            let arg_snippet = snippet_with_context(cx, arg.span, inner.span.ctxt(), "..", &mut app).0;
 
             let sugg = format!("Path::new({arg_snippet})");
 

clippy_utils/src/source.rs

@@ -653,6 +653,8 @@ pub fn snippet_block_with_context(
 /// would result in `box []`. If given the context of the address of expression, this function will
 /// correctly get a snippet of `vec![]`.
 ///
+/// NOTE: Typically the `outer` context should be taken from the parent node, not from the node itself.
+///
 /// This will also return whether or not the snippet is a macro call.
 pub fn snippet_with_context<'a>(
     sess: &impl HasSession,