Merge pull request #352 from theresa-m/arrayoom

Throw OOM if array size exceeds int maximum

src/java.base/share/classes/java/lang/String.java

@@ -1004,7 +1004,11 @@ private static byte[] safeTrim(byte[] ba, int len, boolean isTrusted) {
  private static int scale(int len, float expansionFactor) {
  // We need to perform double, not float, arithmetic; otherwise
  // we lose low order bits when len is larger than 2**24.
- return (int)(len * (double)expansionFactor);
+ double result = len * (double)expansionFactor;
+ if (result > (double)Integer.MAX_VALUE) {
+ throw new OutOfMemoryError("Requested array size exceeds limit");
+ }
+ return (int)result;
  }
 
  private static Charset lookupCharset(String csn) throws UnsupportedEncodingException {