[Interpreter] Add support for RegExp literals.

src/interpreter/bytecode-array-builder.h

Index: src/interpreter/bytecode-array-builder.h
diff --git a/src/interpreter/bytecode-array-builder.h b/src/interpreter/bytecode-array-builder.h
index 5f90f9ec7feebc921752e68eabdaa4c8c4ec1ed7..91ab339f687d7d9ec89306f229de7b96ae39475e 100644
--- a/src/interpreter/bytecode-array-builder.h
+++ b/src/interpreter/bytecode-array-builder.h
@@ -83,6 +83,7 @@ class BytecodeArrayBuilder {
   BytecodeArrayBuilder& CreateClosure(PretenureFlag tenured);
 
   // Literals creation.  Constant elements should be in the accumulator.
+  BytecodeArrayBuilder& CreateRegExpLiteral(int literal_index, Register flags);
   BytecodeArrayBuilder& CreateArrayLiteral(int literal_index, int flags);
   BytecodeArrayBuilder& CreateObjectLiteral(int literal_index, int flags);