Don't emit code for instructions that are hiding behind an HSoftDeoptimize

src/arm/lithium-codegen-arm.cc

Index: src/arm/lithium-codegen-arm.cc
diff --git a/src/arm/lithium-codegen-arm.cc b/src/arm/lithium-codegen-arm.cc
index 53d99814bb5d56cc10cb7c1aaed206f730ce1c3d..d64b8a3e85f99ee388c5f1b4390b449d25b5045f 100644
--- a/src/arm/lithium-codegen-arm.cc
+++ b/src/arm/lithium-codegen-arm.cc
@@ -5836,6 +5836,11 @@ void LCodeGen::DoDeoptimize(LDeoptimize* instr) {
 }
 
 
+void LCodeGen::DoDummyUse(LDummyUse* instr) {
+  // Nothing to see here, move on!
+}
+
+
 void LCodeGen::DoDeleteProperty(LDeleteProperty* instr) {
   Register object = ToRegister(instr->object());
   Register key = ToRegister(instr->key());