Disable JBIG2 cache; prevent data corruption

core/src/fxcodec/jbig2/JBig2_Context.cpp

Index: core/src/fxcodec/jbig2/JBig2_Context.cpp
diff --git a/core/src/fxcodec/jbig2/JBig2_Context.cpp b/core/src/fxcodec/jbig2/JBig2_Context.cpp
index b70054171da8cb001610a002008f51af68febcee..9bff9eccfa6b8c330341f2489d007c56a764242d 100644
--- a/core/src/fxcodec/jbig2/JBig2_Context.cpp
+++ b/core/src/fxcodec/jbig2/JBig2_Context.cpp
@@ -14,7 +14,9 @@
 // list keeps track of the freshness of entries, with freshest ones
 // at the front. Even a tiny cache size like 2 makes a dramatic
 // difference for typical JBIG2 documents.
-const int kSymbolDictCacheMaxSize = 2;
+
+// Dislable until we can figure out how to clear cache between documents.

[Lei Zhang, 2015/09/30 23:47:40]

Can you file a public pdfium bug to roughly describe the issue, and reference it
here?

[Lei Zhang, 2015/09/30 23:47:40]

typo

[jbreiden, 2015/10/01 21:44:49]

Done.

[jbreiden, 2015/10/01 21:44:49]

Done.

+const int kSymbolDictCacheMaxSize = 0;
 
 CJBig2_Context* CJBig2_Context::CreateContext(
     const uint8_t* pGlobalData,