Revert of Avoid number range holes in bitset types.

src/types.cc

Index: src/types.cc
diff --git a/src/types.cc b/src/types.cc
index 786948d6705a7308c06bc802302fa3484b606655..b423beea0833e4be55865ff0e7d9fa463226afc4 100644
--- a/src/types.cc
+++ b/src/types.cc
@@ -283,28 +283,30 @@
 
 
 // Minimum values of regular numeric bitsets when SmiValuesAre31Bits.
-template <class Config>
+template<class Config>
 const typename TypeImpl<Config>::BitsetType::BitsetMin
-    TypeImpl<Config>::BitsetType::BitsetMins31[] = {
-        {kOtherNumber, -V8_INFINITY},
-        {kOtherSigned32, kMinInt},
-        {kNegativeSignedSmall, -0x40000000},
-        {kUnsignedSmall, 0},
-        {kOtherUnsigned31, 0x40000000},
-        {kOtherUnsigned32, 0x80000000},
-        {kOtherNumber, static_cast<double>(kMaxUInt32) + 1}};
+TypeImpl<Config>::BitsetType::BitsetMins31[] = {
+    {kOtherNumber, -V8_INFINITY},
+    {kOtherSigned32, kMinInt},
+    {kOtherSignedSmall, -0x40000000},
+    {kUnsignedSmall, 0},
+    {kOtherUnsigned31, 0x40000000},
+    {kOtherUnsigned32, 0x80000000},
+    {kOtherNumber, static_cast<double>(kMaxUInt32) + 1}
+};
 
 
 // Minimum values of regular numeric bitsets when SmiValuesAre32Bits.
 // OtherSigned32 and OtherUnsigned31 are empty (see the diagrams in types.h).
-template <class Config>
+template<class Config>
 const typename TypeImpl<Config>::BitsetType::BitsetMin
-    TypeImpl<Config>::BitsetType::BitsetMins32[] = {
-        {kOtherNumber, -V8_INFINITY},
-        {kNegativeSignedSmall, kMinInt},
-        {kUnsignedSmall, 0},
-        {kOtherUnsigned32, 0x80000000},
-        {kOtherNumber, static_cast<double>(kMaxUInt32) + 1}};
+TypeImpl<Config>::BitsetType::BitsetMins32[] = {
+    {kOtherNumber, -V8_INFINITY},
+    {kOtherSignedSmall, kMinInt},
+    {kUnsignedSmall, 0},
+    {kOtherUnsigned32, 0x80000000},
+    {kOtherNumber, static_cast<double>(kMaxUInt32) + 1}
+};
 
 
 template<class Config>
@@ -313,11 +315,6 @@
   DisallowHeapAllocation no_allocation;
   int lub = kNone;
   const BitsetMin* mins = BitsetMins();
-
-  // Make sure the min-max range touches 0, so we are guaranteed no holes
-  // in unions of valid bitsets.
-  if (max < -1) max = -1;
-  if (min > 0) min = 0;
 
   for (size_t i = 1; i < BitsetMinsSize(); ++i) {
     if (min < mins[i].min) {
@@ -989,7 +986,6 @@
 #undef BITSET_CONSTANT
 
 #define BITSET_CONSTANT(type, value) SEMANTIC(k##type),
-      INTERNAL_BITSET_TYPE_LIST(BITSET_CONSTANT)
       SEMANTIC_BITSET_TYPE_LIST(BITSET_CONSTANT)
 #undef BITSET_CONSTANT
   };