Do not allow large object allocation from optimized code.

src/arm64/lithium-codegen-arm64.cc

Index: src/arm64/lithium-codegen-arm64.cc
diff --git a/src/arm64/lithium-codegen-arm64.cc b/src/arm64/lithium-codegen-arm64.cc
index 3f84462c457a96f99f931ac6bf9dd6ebaa27d196..989f08d29ca84bbd97d0058cede112a316e00f62 100644
--- a/src/arm64/lithium-codegen-arm64.cc
+++ b/src/arm64/lithium-codegen-arm64.cc
@@ -1557,11 +1557,8 @@ void LCodeGen::DoAllocate(LAllocate* instr) {
 
   if (instr->size()->IsConstantOperand()) {
     int32_t size = ToInteger32(LConstantOperand::cast(instr->size()));
-    if (size <= Page::kMaxRegularHeapObjectSize) {
-      __ Allocate(size, result, temp1, temp2, deferred->entry(), flags);
-    } else {
-      __ B(deferred->entry());
-    }
+    CHECK(size <= Page::kMaxRegularHeapObjectSize);
+    __ Allocate(size, result, temp1, temp2, deferred->entry(), flags);
   } else {
     Register size = ToRegister32(instr->size());
     __ Sxtw(size.X(), size);