[turbofan] Optimized lowering of DYNAMIC_LOCAL lookup slot loads.

test/unittests/compiler/node-test-utils.cc

Index: test/unittests/compiler/node-test-utils.cc
diff --git a/test/unittests/compiler/node-test-utils.cc b/test/unittests/compiler/node-test-utils.cc
index d5d4e1a91450f350c877a148450f3701e32b8228..5d01185e29995b8dcc4bde726780b7a5b1ea739d 100644
--- a/test/unittests/compiler/node-test-utils.cc
+++ b/test/unittests/compiler/node-test-utils.cc
@@ -1299,6 +1299,15 @@ class IsLoadContextMatcher final : public NodeMatcher {
         access_matcher_(access_matcher),
         context_matcher_(context_matcher) {}
 
+  void DescribeTo(std::ostream* os) const final {
+    NodeMatcher::DescribeTo(os);
+    *os << " whose access (";
+    access_matcher_.DescribeTo(os);
+    *os << ") and context (";
+    context_matcher_.DescribeTo(os);
+    *os << ")";
+  }
+
   bool MatchAndExplain(Node* node, MatchResultListener* listener) const final {
     return (NodeMatcher::MatchAndExplain(node, listener) &&
             PrintMatchAndExplain(OpParameter<ContextAccess>(node), "access",