Rollback trunk to 3.21.16.2

src/mips/lithium-mips.h

Index: src/mips/lithium-mips.h
diff --git a/src/mips/lithium-mips.h b/src/mips/lithium-mips.h
index 3ab8f37a15fced123b33c020c785a9c4a4a47462..29a8eac63f27b67453c16903a789a8338e2f5068 100644
--- a/src/mips/lithium-mips.h
+++ b/src/mips/lithium-mips.h
@@ -113,6 +113,7 @@ class LCodeGen;
   V(IsConstructCallAndBranch)                   \
   V(IsObjectAndBranch)                          \
   V(IsStringAndBranch)                          \
+  V(IsNumberAndBranch)                          \
   V(IsSmiAndBranch)                             \
   V(IsUndetectableAndBranch)                    \
   V(Label)                                      \
@@ -935,6 +936,19 @@ class LIsObjectAndBranch V8_FINAL : public LControlInstruction<1, 1> {
 };
 
 
+class LIsNumberAndBranch V8_FINAL : public LControlInstruction<1, 0> {
+ public:
+  explicit LIsNumberAndBranch(LOperand* value) {
+    inputs_[0] = value;
+  }
+
+  LOperand* value() { return inputs_[0]; }
+
+  DECLARE_CONCRETE_INSTRUCTION(IsNumberAndBranch, "is-number-and-branch")
+  DECLARE_HYDROGEN_ACCESSOR(IsNumberAndBranch)
+};
+
+
 class LIsStringAndBranch V8_FINAL : public LControlInstruction<1, 1> {
  public:
   LIsStringAndBranch(LOperand* value, LOperand* temp) {
@@ -2085,7 +2099,7 @@ class LTaggedToI V8_FINAL : public LTemplateInstruction<1, 1, 2> {
   LOperand* temp2() { return temps_[1]; }
 
   DECLARE_CONCRETE_INSTRUCTION(TaggedToI, "tagged-to-i")
-  DECLARE_HYDROGEN_ACCESSOR(Change)
+  DECLARE_HYDROGEN_ACCESSOR(UnaryOperation)
 
   bool truncating() { return hydrogen()->CanTruncateToInt32(); }
 };
@@ -2739,7 +2753,7 @@ class LChunkBuilder V8_FINAL BASE_EMBEDDED {
   LInstruction* DoArithmeticD(Token::Value op,
                               HArithmeticBinaryOperation* instr);
   LInstruction* DoArithmeticT(Token::Value op,
-                              HBinaryOperation* instr);
+                              HArithmeticBinaryOperation* instr);
 
   LPlatformChunk* chunk_;
   CompilationInfo* info_;