Use a different map to distinguish eval contexts

src/crankshaft/arm64/lithium-codegen-arm64.cc

Index: src/crankshaft/arm64/lithium-codegen-arm64.cc
diff --git a/src/crankshaft/arm64/lithium-codegen-arm64.cc b/src/crankshaft/arm64/lithium-codegen-arm64.cc
index 3765cd679b30d35c7600c933f3b6c49ee6700b5e..ae2d85cb23e30088ee651075cf0a06263b9abf2b 100644
--- a/src/crankshaft/arm64/lithium-codegen-arm64.cc
+++ b/src/crankshaft/arm64/lithium-codegen-arm64.cc
@@ -618,14 +618,16 @@ void LCodeGen::DoPrologue(LPrologue* instr) {
       __ CallRuntime(Runtime::kNewScriptContext);
       deopt_mode = Safepoint::kLazyDeopt;
     } else {
-      if (slots <= FastNewFunctionContextStub::kMaximumSlots) {
-        FastNewFunctionContextStub stub(isolate());
+      if (slots <= FastNewFunctionContextStub::MaximumSlots()) {
+        FastNewFunctionContextStub stub(isolate(),
+                                        info()->scope()->scope_type());
         __ Mov(FastNewFunctionContextDescriptor::SlotsRegister(), slots);
         __ CallStub(&stub);
         // Result of FastNewFunctionContextStub is always in new space.
         need_write_barrier = false;
       } else {
         __ Push(x1);
+        __ Push(Smi::FromInt(info()->scope()->scope_type()));
         __ CallRuntime(Runtime::kNewFunctionContext);
       }
     }