[OpenJDK 2D-Dev] RFR: 8252100: NumberOverflow in class MemoryCache

[Jayathirth D V]

Number overflow in javax/imageio/stream/MemoryCache.java
I tried to reproduce the issue but was not able to create stream or BufferedImage of such a large size because of array
size limitations. Submitter has mentioned simple fix for overflow which has solved his issue. I have verified the fix
by running jtreg and compatibility tests and there are no failures.

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Commit messages:
 - 8252100: NumberOverflow in class MemoryCache

Changes: https://git.openjdk.java.net/jdk/pull/182/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=182&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8252100
  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk/pull/182.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/182/head:pull/182

PR: https://git.openjdk.java.net/jdk/pull/182