Support %_IsConstructCall in Crankshaft pipeline.

src/ia32/lithium-ia32.h

Index: src/ia32/lithium-ia32.h
diff --git a/src/ia32/lithium-ia32.h b/src/ia32/lithium-ia32.h
index f643dac9f6c40edd0042eee72761e40985803461..e471274095065f4be27cd35365f935ae35416b26 100644
--- a/src/ia32/lithium-ia32.h
+++ b/src/ia32/lithium-ia32.h
@@ -112,6 +112,8 @@ class LCodeGen;
   V(IsObjectAndBranch)                          \
   V(IsSmi)                                      \
   V(IsSmiAndBranch)                             \
+  V(IsConstructCall)                            \
+  V(IsConstructCallAndBranch)                   \
   V(JSArrayLength)                              \
   V(Label)                                      \
   V(LazyBailout)                                \
@@ -755,6 +757,24 @@ class LHasCachedArrayIndexAndBranch: public LControlInstruction<1, 0> {
 };
 
 
+class LIsConstructCall: public LTemplateInstruction<1, 0, 0> {
+ public:
+  DECLARE_CONCRETE_INSTRUCTION(IsConstructCall, "is-construct-call")
+  DECLARE_HYDROGEN_ACCESSOR(IsConstructCall)
+};
+
+
+class LIsConstructCallAndBranch: public LControlInstruction<0, 1> {
+ public:
+  explicit LIsConstructCallAndBranch(LOperand* temp) {
+    temps_[0] = temp;
+  }
+
+  DECLARE_CONCRETE_INSTRUCTION(IsConstructCallAndBranch,
+                               "is-construct-call-and-branch")
+};
+
+
 class LClassOfTest: public LTemplateInstruction<1, 1, 1> {
  public:
   LClassOfTest(LOperand* value, LOperand* temp) {