[turbofan] Materialize all from non-writable roots from root array.

src/compiler/code-generator.cc

Index: src/compiler/code-generator.cc
diff --git a/src/compiler/code-generator.cc b/src/compiler/code-generator.cc
index 6b9a8b86c6560794e57ab33cf8d4032389f69e0c..081dde913fc2b59c2a931b27e3ba98679343d249 100644
--- a/src/compiler/code-generator.cc
+++ b/src/compiler/code-generator.cc
@@ -221,7 +221,16 @@ bool CodeGenerator::IsMaterializableFromFrame(Handle<HeapObject> object,
 bool CodeGenerator::IsMaterializableFromRoot(
     Handle<HeapObject> object, Heap::RootListIndex* index_return) {
   if (linkage()->GetIncomingDescriptor()->IsJSFunctionCall()) {
-    return isolate()->heap()->GetRootListIndex(object, index_return);
+    // Check if {object} is one of the non-smi roots that cannot be written
+    // after initialization.
+    for (int i = 0; i < Heap::kSmiRootsStart; ++i) {
+      Heap::RootListIndex const index = static_cast<Heap::RootListIndex>(i);
+      if (!Heap::RootCanBeWrittenAfterInitialization(index) &&
+          *object == isolate()->heap()->root(index)) {
+        *index_return = index;
+        return true;
+      }
+    }
   }
   return false;
 }