MIPS: Fix for 3303 MultithreadedParallelIsolates has a race condition.

src/mips/deoptimizer-mips.cc

Index: src/mips/deoptimizer-mips.cc
diff --git a/src/mips/deoptimizer-mips.cc b/src/mips/deoptimizer-mips.cc
index ca0d8576b2803cda95dd4c2a09486d345e982bff..4297ad12789c4dfeba327f35e37e29a7fa5e39c3 100644
--- a/src/mips/deoptimizer-mips.cc
+++ b/src/mips/deoptimizer-mips.cc
@@ -30,7 +30,7 @@ void Deoptimizer::PatchCodeForDeoptimization(Isolate* isolate, Code* code) {
     // Fail hard and early if we enter this code object again.
     byte* pointer = code->FindCodeAgeSequence();
     if (pointer != NULL) {
-      pointer += kNoCodeAgeSequenceLength * Assembler::kInstrSize;
+      pointer += kNoCodeAgeSequenceLength;
     } else {
       pointer = code->instruction_start();
     }