Emit comment with instruction+reason before deopt calls.

src/mips/lithium-codegen-mips.h

Index: src/mips/lithium-codegen-mips.h
diff --git a/src/mips/lithium-codegen-mips.h b/src/mips/lithium-codegen-mips.h
index b8b9e7d22ee0b098238431a5e31f5b8429f6ff29..ca25c891197e758db232b648f11d67ae0fc831cc 100644
--- a/src/mips/lithium-codegen-mips.h
+++ b/src/mips/lithium-codegen-mips.h
@@ -231,10 +231,12 @@ class LCodeGen: public LCodeGenBase {
   void DeoptimizeIf(Condition condition, LInstruction* instr,
                     Deoptimizer::BailoutType bailout_type,
                     Register src1 = zero_reg,
-                    const Operand& src2 = Operand(zero_reg));
+                    const Operand& src2 = Operand(zero_reg),
+                    const char* reason = NULL);
   void DeoptimizeIf(Condition condition, LInstruction* instr,
                     Register src1 = zero_reg,
-                    const Operand& src2 = Operand(zero_reg));
+                    const Operand& src2 = Operand(zero_reg),
+                    const char* reason = NULL);
 
   void AddToTranslation(LEnvironment* environment,
                         Translation* translation,