[turbofan] Run everything after representation selection concurrently.

src/compiler/effect-control-linearizer.cc

Index: src/compiler/effect-control-linearizer.cc
diff --git a/src/compiler/effect-control-linearizer.cc b/src/compiler/effect-control-linearizer.cc
index f0ddcaaf74b47cbb6c46996a28a8deae997959f7..763aaea84199243a391e2f3e47f4f67a35115e52 100644
--- a/src/compiler/effect-control-linearizer.cc
+++ b/src/compiler/effect-control-linearizer.cc
@@ -839,9 +839,9 @@ EffectControlLinearizer::ValueEffectControl
 EffectControlLinearizer::AllocateHeapNumberWithValue(Node* value, Node* effect,
                                                      Node* control) {
   effect = graph()->NewNode(common()->BeginRegion(), effect);
-  Node* result = effect =
-      graph()->NewNode(simplified()->Allocate(NOT_TENURED),
-                       jsgraph()->Constant(HeapNumber::kSize), effect, control);
+  Node* result = effect = graph()->NewNode(
+      simplified()->Allocate(NOT_TENURED),
+      jsgraph()->Int32Constant(HeapNumber::kSize), effect, control);
   effect = graph()->NewNode(simplified()->StoreField(AccessBuilder::ForMap()),
                             result, jsgraph()->HeapNumberMapConstant(), effect,
                             control);