Revert of [turbofan] Fix deoptimization of boolean bit constants.

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 4327c7e6a3a3761f0d9dfacfec61a02270e98c66..852aa16e31978ff2489729d401c83caee221bdbd 100644
--- a/src/compiler/code-generator.cc
+++ b/src/compiler/code-generator.cc
@@ -858,18 +858,12 @@
           constant_object =
               handle(reinterpret_cast<Smi*>(constant.ToInt32()), isolate());
           DCHECK(constant_object->IsSmi());
-        } else if (type.representation() == MachineRepresentation::kBit) {
-          if (constant.ToInt32() == 0) {
-            constant_object = isolate()->factory()->false_value();
-          } else {
-            DCHECK_EQ(1, constant.ToInt32());
-            constant_object = isolate()->factory()->true_value();
-          }
         } else {
           // TODO(jarin,bmeurer): We currently pass in raw pointers to the
           // JSFunction::entry here. We should really consider fixing this.
           DCHECK(type == MachineType::Int32() ||
                  type == MachineType::Uint32() ||
+                 type.representation() == MachineRepresentation::kBit ||
                  type.representation() == MachineRepresentation::kWord32 ||
                  type.representation() == MachineRepresentation::kNone);
           DCHECK(type.representation() != MachineRepresentation::kNone ||