ICU 56 update step 1

source/common/uvectr64.cpp

Index: source/common/uvectr64.cpp
diff --git a/source/common/uvectr64.cpp b/source/common/uvectr64.cpp
index c09ed513cd94539a66d209aebc379d67a628e04c..8af85e6dcfe0a8336931aec92884e542f7ae7c69 100644
--- a/source/common/uvectr64.cpp
+++ b/source/common/uvectr64.cpp
@@ -1,7 +1,7 @@
 /*
 ******************************************************************************
-* Copyright (C) 1999-2010, International Business Machines Corporation and   *
-* others. All Rights Reserved.                                               *
+* Copyright (C) 1999-2015, International Business Machines Corporation and
+* others. All Rights Reserved.
 ******************************************************************************
 */
 
@@ -114,6 +114,9 @@ void UVector64::removeAllElements(void) {
 }
 
 UBool UVector64::expandCapacity(int32_t minimumCapacity, UErrorCode &status) {
+    if (U_FAILURE(status)) {
+        return FALSE;
+    }
     if (minimumCapacity < 0) {
         status = U_ILLEGAL_ARGUMENT_ERROR;
         return FALSE;