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

src/ia32/lithium-codegen-ia32.cc

Index: src/ia32/lithium-codegen-ia32.cc
diff --git a/src/ia32/lithium-codegen-ia32.cc b/src/ia32/lithium-codegen-ia32.cc
index ff1ec90362f08f30c29f2ca3636d1eb8b7168c0a..e571f4374d0dcf09872a15f5d093e00f72c063da 100644
--- a/src/ia32/lithium-codegen-ia32.cc
+++ b/src/ia32/lithium-codegen-ia32.cc
@@ -5696,6 +5696,11 @@ void LCodeGen::DoDeoptimize(LDeoptimize* instr) {
 }
 
 
+void LCodeGen::DoDummyUse(LDummyUse* instr) {
+  // Nothing to see here, move on!
+}
+
+
 void LCodeGen::DoDeleteProperty(LDeleteProperty* instr) {
   LOperand* obj = instr->object();
   LOperand* key = instr->key();