Do not allow large object allocation from optimized code.

src/x64/lithium-codegen-x64.cc

Index: src/x64/lithium-codegen-x64.cc
diff --git a/src/x64/lithium-codegen-x64.cc b/src/x64/lithium-codegen-x64.cc
index b083f8abd45a9ebaf3f8762d4ef8b5d439cd02ae..dfb18c7c4f6ebd2c94c18fdeddca66d4b89cd6b1 100644
--- a/src/x64/lithium-codegen-x64.cc
+++ b/src/x64/lithium-codegen-x64.cc
@@ -5372,11 +5372,8 @@ void LCodeGen::DoAllocate(LAllocate* instr) {
 
   if (instr->size()->IsConstantOperand()) {
     int32_t size = ToInteger32(LConstantOperand::cast(instr->size()));
-    if (size <= Page::kMaxRegularHeapObjectSize) {
-      __ Allocate(size, result, temp, no_reg, deferred->entry(), flags);
-    } else {
-      __ jmp(deferred->entry());
-    }
+    CHECK(size <= Page::kMaxRegularHeapObjectSize);
+    __ Allocate(size, result, temp, no_reg, deferred->entry(), flags);
   } else {
     Register size = ToRegister(instr->size());
     __ Allocate(size, result, temp, no_reg, deferred->entry(), flags);