Add new HSeqStringGetChar instruction.

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 23acd27e23b01846ba8ad9cc23077f0e0aec4d00..dc26626491f3c2bc819c5a9c85d9dab8a5b79a42 100644
--- a/src/ia32/lithium-ia32.h
+++ b/src/ia32/lithium-ia32.h
@@ -156,6 +156,7 @@ class LCodeGen;
   V(PushArgument)                               \
   V(RegExpLiteral)                              \
   V(Return)                                     \
+  V(SeqStringGetChar)                           \
   V(SeqStringSetChar)                           \
   V(ShiftI)                                     \
   V(SmiTag)                                     \
@@ -1337,6 +1338,21 @@ class LDateField V8_FINAL : public LTemplateInstruction<1, 1, 1> {
 };
 
 
+class LSeqStringGetChar V8_FINAL : public LTemplateInstruction<1, 2, 0> {
+ public:
+  LSeqStringGetChar(LOperand* string, LOperand* index) {
+    inputs_[0] = string;
+    inputs_[1] = index;
+  }
+
+  LOperand* string() const { return inputs_[0]; }
+  LOperand* index() const { return inputs_[1]; }
+
+  DECLARE_CONCRETE_INSTRUCTION(SeqStringGetChar, "seq-string-get-char")
+  DECLARE_HYDROGEN_ACCESSOR(SeqStringGetChar)
+};
+
+
 class LSeqStringSetChar V8_FINAL : public LTemplateInstruction<1, 3, 0> {
  public:
   LSeqStringSetChar(LOperand* string,