MIPS: Fix MIPS port of r13032 (25d0edd7).

src/mips/lithium-mips.cc

Index: src/mips/lithium-mips.cc
diff --git a/src/mips/lithium-mips.cc b/src/mips/lithium-mips.cc
index 796d1534462e66d1c006e81f73113402aabaa326..2d2a413e897869a7ef97851785c6a817aed9a003 100644
--- a/src/mips/lithium-mips.cc
+++ b/src/mips/lithium-mips.cc
@@ -398,6 +398,15 @@ void LStoreKeyed::PrintDataTo(StringStream* stream) {
 }
 
 
+void LStoreKeyedGeneric::PrintDataTo(StringStream* stream) {
+  object()->PrintTo(stream);
+  stream->Add("[");
+  key()->PrintTo(stream);
+  stream->Add("] <- ");
+  value()->PrintTo(stream);
+}
+
+
 void LTransitionElementsKind::PrintDataTo(StringStream* stream) {
   object()->PrintTo(stream);
   stream->Add(" %p -> %p", *original_map(), *transitioned_map());