--- old/src/java.desktop/macosx/native/libawt_lwawt/font/CGGlyphImages.m	2015-10-06 15:12:42.000000000 +0530
+++ new/src/java.desktop/macosx/native/libawt_lwawt/font/CGGlyphImages.m	2015-10-06 15:12:42.000000000 +0530
@@ -565,12 +565,14 @@
     // clean the canvas
     CGGI_ClearCanvas(canvas, info);
 
+    if (isnan(info->topLeftX) || isnan(info->topLeftY)) {
+        return;
+    }
     // strike the glyph in the upper right corner
     CGContextShowGlyphsAtPoint(canvas->context,
                                -info->topLeftX,
                                canvas->image->height + info->topLeftY,
                                &glyph, 1);
-
     // copy the glyph from the canvas into the info
     (*mode->glyphDescriptor->copyFxnPtr)(canvas, info);
 }
@@ -855,7 +857,6 @@
         CGGI_CreateGlyphsAndScanForComplexities(glyphInfos, strike, &mode,
                                                 rawGlyphCodes, uniChars, glyphs,
                                                 advances, bboxes, len);
-
         return;
     }
 
@@ -875,6 +876,5 @@
     CGGI_CreateGlyphsAndScanForComplexities(glyphInfos, strike, &mode,
                                             rawGlyphCodes, uniChars, glyphs,
                                             advances, bboxes, len);
-
     free(buffer);
 }