[OpenJDK 2D-Dev] RFR: 8216965 [JDK12] : crash in freetypeScaler.c CopyBW2Grey8

Phil Race philip.race at oracle.com
Fri Jan 18 21:44:40 UTC 2019

Bug: https://bugs.openjdk.java.net/browse/JDK-8216965
Webrev: http://cr.openjdk.java.net/~prr/8216965/

Starting with JDK 12 b24 we are calling FT_Render_Glyph(..) but there's no
check of an error return. Seems that on some very rare occasions
freetype errors out on pt sz=1 so we need this check.

This fix is intended for JDK 12 so we don't ship with a new regression.

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