[turbofan] Remove uncertainty from OddballType.

We decided not to use this.

R=jarin@chromium.org

Bug: v8:7790
Change-Id: I18413bb1a363477bd297a5e44aeff2623e2f1c8e
Reviewed-on: https://chromium-review.googlesource.com/1113931Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Commit-Queue: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54015}

src/compiler/js-context-specialization.cc

@@ -172,8 +172,7 @@ Reduction JSContextSpecialization::ReduceJSLoadContext(Node* node) {
     // the hole or undefined. Only if it is neither of these, can we be sure
     // that it won't change anymore.
     OddballType oddball_type = maybe_value->oddball_type(js_heap_broker());
-    if (oddball_type == OddballType::kAny ||
-        oddball_type == OddballType::kUndefined ||
+    if (oddball_type == OddballType::kUndefined ||
         oddball_type == OddballType::kHole) {
       maybe_value.reset();
     }

src/compiler/js-heap-broker.h

@@ -21,8 +21,7 @@ enum class OddballType : uint8_t {
   kNull,
   kHole,
   kUninitialized,
-  kOther,  // Oddball, but none of the above.
-  kAny     // Any Oddball.
+  kOther  // Oddball, but none of the above.
 };
 
 class HeapObjectType {

src/compiler/js-native-context-specialization.cc

@@ -742,8 +742,7 @@ Reduction JSNativeContextSpecialization::ReduceJSLoadGlobal(Node* node) {
   if (result) {
     ObjectRef contents = result->context.get(js_heap_broker(), result->index);
     OddballType oddball_type = contents.oddball_type(js_heap_broker());
-    if (oddball_type == OddballType::kHole ||
-        oddball_type == OddballType::kAny) {
+    if (oddball_type == OddballType::kHole) {
       return NoChange();
     }
     Node* context = jsgraph()->Constant(js_heap_broker(), result->context);
@@ -772,8 +771,7 @@ Reduction JSNativeContextSpecialization::ReduceJSStoreGlobal(Node* node) {
   if (result) {
     ObjectRef contents = result->context.get(js_heap_broker(), result->index);
     OddballType oddball_type = contents.oddball_type(js_heap_broker());
-    if (oddball_type == OddballType::kHole ||
-        oddball_type == OddballType::kAny || result->immutable) {
+    if (oddball_type == OddballType::kHole || result->immutable) {
       return NoChange();
     }
     Node* context = jsgraph()->Constant(js_heap_broker(), result->context);

src/compiler/types.cc

@@ -178,8 +178,6 @@ Type::bitset BitsetType::Lub(HeapObjectType const& type) {
         case OddballType::kOther:
           // TODO(neis): We should add a kOtherOddball type.
           return kOtherInternal;
-        case OddballType::kAny:
-          return kOddball | kOtherInternal;
       }
       UNREACHABLE();
     case HEAP_NUMBER_TYPE: