Only fill in holes if storing the number to the double array has succeeded.

src/ia32/stub-cache-ia32.cc

Index: src/ia32/stub-cache-ia32.cc
diff --git a/src/ia32/stub-cache-ia32.cc b/src/ia32/stub-cache-ia32.cc
index c3a2654466e6aca519e922c1be9d1c53f0157d5b..c8695c572c8c6d8b4167c06f06cd5ae79c3547c5 100644
--- a/src/ia32/stub-cache-ia32.cc
+++ b/src/ia32/stub-cache-ia32.cc
@@ -4359,6 +4359,9 @@ void KeyedStoreStubCompiler::GenerateStoreFastDoubleElement(
     __ mov(FieldOperand(edi, FixedDoubleArray::kLengthOffset),
            Immediate(Smi::FromInt(JSArray::kPreallocatedArrayElements)));
 
+    __ StoreNumberToDoubleElements(eax, edi, ecx, ebx, xmm0,
+                                   &transition_elements_kind, true);
+
     for (int i = 1; i < JSArray::kPreallocatedArrayElements; i++) {
       int offset = FixedDoubleArray::OffsetOfElementAt(i);
       __ mov(FieldOperand(edi, offset), Immediate(kHoleNanLower32));
@@ -4366,9 +4369,6 @@ void KeyedStoreStubCompiler::GenerateStoreFastDoubleElement(
              Immediate(kHoleNanUpper32));
     }
 
-    __ StoreNumberToDoubleElements(eax, edi, ecx, ebx, xmm0,
-                                   &transition_elements_kind, true);
-
     // Install the new backing store in the JSArray.
     __ mov(FieldOperand(edx, JSObject::kElementsOffset), edi);
     __ RecordWriteField(edx, JSObject::kElementsOffset, edi, ebx,