Unbreak MIPS build after recent zone-related changes

src/mips/lithium-codegen-mips.cc

Index: src/mips/lithium-codegen-mips.cc
diff --git a/src/mips/lithium-codegen-mips.cc b/src/mips/lithium-codegen-mips.cc
index 625751561ac49cecb349a7a98724fa224bf5ca0a..2a66957fbfc4f7720a7d2e60ecd397c78a9abe1f 100644
--- a/src/mips/lithium-codegen-mips.cc
+++ b/src/mips/lithium-codegen-mips.cc
@@ -592,7 +592,7 @@ void LCodeGen::RegisterEnvironmentForDeoptimization(LEnvironment* environment,
         ++jsframe_count;
       }
     }
-    Translation translation(&translations_, frame_count, jsframe_count);
+    Translation translation(&translations_, frame_count, jsframe_count, zone());
     WriteTranslation(environment, &translation);
     int deoptimization_index = deoptimizations_.length();
     int pc_offset = masm()->pc_offset();
@@ -724,7 +724,7 @@ void LCodeGen::RecordSafepoint(
   for (int i = 0; i < operands->length(); i++) {
     LOperand* pointer = operands->at(i);
     if (pointer->IsStackSlot()) {
-      safepoint.DefinePointerSlot(pointer->index());
+      safepoint.DefinePointerSlot(pointer->index(), zone());
     } else if (pointer->IsRegister() && (kind & Safepoint::kWithRegisters)) {
       safepoint.DefinePointerRegister(ToRegister(pointer));
     }