Merge bleeding edge into the GC branch up to 7948. The asserts

src/arm/lithium-arm.h

Index: src/arm/lithium-arm.h
===================================================================
--- src/arm/lithium-arm.h	(revision 7948)
+++ src/arm/lithium-arm.h	(working copy)
@@ -73,6 +73,9 @@
   V(CheckMap)                                   \
   V(CheckPrototypeMaps)                         \
   V(CheckSmi)                                   \
+  V(ClampDToUint8)                              \
+  V(ClampIToUint8)                              \
+  V(ClampTToUint8)                              \
   V(ClassOfTest)                                \
   V(ClassOfTestAndBranch)                       \
   V(CmpID)                                      \
@@ -80,6 +83,8 @@
   V(CmpJSObjectEq)                              \
   V(CmpJSObjectEqAndBranch)                     \
   V(CmpMapAndBranch)                            \
+  V(CmpSymbolEq)                                \
+  V(CmpSymbolEqAndBranch)                       \
   V(CmpT)                                       \
   V(CmpTAndBranch)                              \
   V(ConstantD)                                  \
@@ -108,12 +113,16 @@
   V(InstructionGap)                             \
   V(Integer32ToDouble)                          \
   V(InvokeFunction)                             \
+  V(IsConstructCall)                            \
+  V(IsConstructCallAndBranch)                   \
   V(IsNull)                                     \
   V(IsNullAndBranch)                            \
   V(IsObject)                                   \
   V(IsObjectAndBranch)                          \
   V(IsSmi)                                      \
   V(IsSmiAndBranch)                             \
+  V(IsUndetectable)                             \
+  V(IsUndetectableAndBranch)                    \
   V(JSArrayLength)                              \
   V(Label)                                      \
   V(LazyBailout)                                \
@@ -165,8 +174,6 @@
   V(Typeof)                                     \
   V(TypeofIs)                                   \
   V(TypeofIsAndBranch)                          \
-  V(IsConstructCall)                            \
-  V(IsConstructCallAndBranch)                   \
   V(UnaryMathOperation)                         \
   V(UnknownOSRValue)                            \
   V(ValueOf)
@@ -681,6 +688,28 @@
 };
 
 
+class LCmpSymbolEq: public LTemplateInstruction<1, 2, 0> {
+ public:
+  LCmpSymbolEq(LOperand* left, LOperand* right) {
+    inputs_[0] = left;
+    inputs_[1] = right;
+  }
+
+  DECLARE_CONCRETE_INSTRUCTION(CmpSymbolEq, "cmp-symbol-eq")
+};
+
+
+class LCmpSymbolEqAndBranch: public LControlInstruction<2, 0> {
+ public:
+  LCmpSymbolEqAndBranch(LOperand* left, LOperand* right) {
+    inputs_[0] = left;
+    inputs_[1] = right;
+  }
+
+  DECLARE_CONCRETE_INSTRUCTION(CmpSymbolEqAndBranch, "cmp-symbol-eq-and-branch")
+};
+
+
 class LIsNull: public LTemplateInstruction<1, 1, 0> {
  public:
   explicit LIsNull(LOperand* value) {
@@ -754,6 +783,31 @@
 };
 
 
+class LIsUndetectable: public LTemplateInstruction<1, 1, 0> {
+ public:
+  explicit LIsUndetectable(LOperand* value) {
+    inputs_[0] = value;
+  }
+
+  DECLARE_CONCRETE_INSTRUCTION(IsUndetectable, "is-undetectable")
+  DECLARE_HYDROGEN_ACCESSOR(IsUndetectable)
+};
+
+
+class LIsUndetectableAndBranch: public LControlInstruction<1, 1> {
+ public:
+  explicit LIsUndetectableAndBranch(LOperand* value, LOperand* temp) {
+    inputs_[0] = value;
+    temps_[0] = temp;
+  }
+
+  DECLARE_CONCRETE_INSTRUCTION(IsUndetectableAndBranch,
+                               "is-undetectable-and-branch")
+
+  virtual void PrintDataTo(StringStream* stream);
+};
+
+
 class LHasInstanceType: public LTemplateInstruction<1, 1, 0> {
  public:
   explicit LHasInstanceType(LOperand* value) {
@@ -1876,6 +1930,44 @@
 };
 
 
+class LClampDToUint8: public LTemplateInstruction<1, 1, 1> {
+ public:
+  LClampDToUint8(LOperand* value, LOperand* temp) {
+    inputs_[0] = value;
+    temps_[0] = temp;
+  }
+
+  LOperand* unclamped() { return inputs_[0]; }
+
+  DECLARE_CONCRETE_INSTRUCTION(ClampDToUint8, "clamp-d-to-uint8")
+};
+
+
+class LClampIToUint8: public LTemplateInstruction<1, 1, 0> {
+ public:
+  explicit LClampIToUint8(LOperand* value) {
+    inputs_[0] = value;
+  }
+
+  LOperand* unclamped() { return inputs_[0]; }
+
+  DECLARE_CONCRETE_INSTRUCTION(ClampIToUint8, "clamp-i-to-uint8")
+};
+
+
+class LClampTToUint8: public LTemplateInstruction<1, 1, 1> {
+ public:
+  LClampTToUint8(LOperand* value, LOperand* temp) {
+    inputs_[0] = value;
+    temps_[0] = temp;
+  }
+
+  LOperand* unclamped() { return inputs_[0]; }
+
+  DECLARE_CONCRETE_INSTRUCTION(ClampTToUint8, "clamp-t-to-uint8")
+};
+
+
 class LArrayLiteral: public LTemplateInstruction<1, 0, 0> {
  public:
   DECLARE_CONCRETE_INSTRUCTION(ArrayLiteral, "array-literal")