[regexp] implement case-insensitive unicode regexps.

src/regexp/mips/regexp-macro-assembler-mips.h

Index: src/regexp/mips/regexp-macro-assembler-mips.h
diff --git a/src/regexp/mips/regexp-macro-assembler-mips.h b/src/regexp/mips/regexp-macro-assembler-mips.h
index 902e2208fe87bb60e15e9d628a9fb64a9b8ac34d..6dedb1e74818f5fb02fda1fc494a8277e860c2c8 100644
--- a/src/regexp/mips/regexp-macro-assembler-mips.h
+++ b/src/regexp/mips/regexp-macro-assembler-mips.h
@@ -37,7 +37,7 @@ class RegExpMacroAssemblerMIPS: public NativeRegExpMacroAssembler {
   virtual void CheckNotBackReference(int start_reg, bool read_backward,
                                      Label* on_no_match);
   virtual void CheckNotBackReferenceIgnoreCase(int start_reg,
-                                               bool read_backward,
+                                               bool read_backward, bool unicode,
                                                Label* on_no_match);
   virtual void CheckNotCharacter(uint32_t c, Label* on_not_equal);
   virtual void CheckNotCharacterAfterAnd(uint32_t c,