[turbofan] Extend undefined-to-number truncation to all oddballs.

src/compiler/type-hints.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/type-hints.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 std::ostream& operator<<(std::ostream& os, BinaryOperationHints::Hint hint) {
   switch (hint) {
     case BinaryOperationHints::kNone:
       return os << "None";
     case BinaryOperationHints::kSignedSmall:
       return os << "SignedSmall";
     case BinaryOperationHints::kSigned32:
       return os << "Signed32";
-    case BinaryOperationHints::kNumberOrUndefined:
-      return os << "NumberOrUndefined";
+    case BinaryOperationHints::kNumberOrOddball:
+      return os << "NumberOrOddball";
     case BinaryOperationHints::kString:
       return os << "String";
     case BinaryOperationHints::kAny:
       return os << "Any";
   }
   UNREACHABLE();
   return os;
 }
 
 std::ostream& operator<<(std::ostream& os, BinaryOperationHints hints) {
   return os << hints.left() << "*" << hints.right() << "->" << hints.result();
 }
 
 std::ostream& operator<<(std::ostream& os, CompareOperationHints::Hint hint) {
   switch (hint) {
     case CompareOperationHints::kNone:
       return os << "None";
     case CompareOperationHints::kBoolean:
       return os << "Boolean";
     case CompareOperationHints::kSignedSmall:
       return os << "SignedSmall";
-    case CompareOperationHints::kNumber:
-      return os << "Number";
+    case CompareOperationHints::kNumberOrOddball:
+      return os << "NumberOrOddball";
     case CompareOperationHints::kString:
       return os << "String";
     case CompareOperationHints::kInternalizedString:
       return os << "InternalizedString";
     case CompareOperationHints::kUniqueName:
       return os << "UniqueName";
     case CompareOperationHints::kReceiver:
       return os << "Receiver";
     case CompareOperationHints::kAny:
       return os << "Any";
@@ skipping 51 matching lines @@
   return os;
 }
 
 // static
 bool BinaryOperationHints::Is(Hint h1, Hint h2) {
   if (h1 == h2) return true;
   switch (h1) {
     case kNone:
       return true;
     case kSignedSmall:
-      return h2 == kSigned32 || h2 == kNumberOrUndefined || h2 == kAny;
+      return h2 == kSigned32 || h2 == kNumberOrOddball || h2 == kAny;
     case kSigned32:
-      return h2 == kNumberOrUndefined || h2 == kAny;
-    case kNumberOrUndefined:
+      return h2 == kNumberOrOddball || h2 == kAny;
+    case kNumberOrOddball:
       return h2 == kAny;
     case kString:
       return h2 == kAny;
     case kAny:
       return false;
   }
   UNREACHABLE();
   return false;
 }
 
 // static
 BinaryOperationHints::Hint BinaryOperationHints::Combine(Hint h1, Hint h2) {
   if (Is(h1, h2)) return h2;
   if (Is(h2, h1)) return h1;
   return kAny;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8