[stubs] Add option to allow LO space allocation

src/builtins/builtins-regexp.cc

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/builtins/builtins-utils.h"
 #include "src/builtins/builtins.h"
 
 #include "src/code-factory.h"
 #include "src/regexp/jsregexp.h"
 #include "src/regexp/regexp-utils.h"
@@ skipping 1447 matching lines @@
                        ParameterMode mode) {
     DCHECK(mode == CodeStubAssembler::INTPTR_PARAMETERS);
 
     CodeStubAssembler* a = assembler_;
 
     CSA_ASSERT(a, a->IntPtrGreaterThan(current_capacity, a->IntPtrConstant(0)));
     CSA_ASSERT(a, a->IntPtrGreaterThan(new_capacity, current_capacity));
 
     const ElementsKind kind = FAST_ELEMENTS;
     const WriteBarrierMode barrier_mode = UPDATE_WRITE_BARRIER;
+    const CodeStubAssembler::AllocationFlags flags =
+        CodeStubAssembler::kAllowLargeObjectAllocation;
 
     Node* const from_array = var_array_.value();
-    Node* const to_array = a->AllocateFixedArray(kind, new_capacity, mode);
+    Node* const to_array =
+        a->AllocateFixedArray(kind, new_capacity, mode, flags);
     a->CopyFixedArrayElements(kind, from_array, kind, to_array,
                               current_capacity, new_capacity, barrier_mode,
                               mode);
 
     return to_array;
   }
 
  private:
   CodeStubAssembler* const assembler_;
   Variable var_array_;
@@ skipping 1040 matching lines @@
   Bind(&if_matched);
   {
     Node* result =
         ConstructNewResultFromMatchInfo(context, match_indices, string);
     Return(result);
   }
 }
 
 }  // namespace internal
 }  // namespace v8