src/java.desktop/share/native/libfontmanager/layout/LigatureSubstProc.cpp

rev 15133 : 8161923: Fix two memory issues.
Reviewed-by: vadim

@@ -148,15 +148,16 @@
                       return newState;
                   }
                   TTGlyphID ligatureGlyph = SWAPW(*ligatureOffset.getAlias());
 
                   glyphStorage[componentGlyph] = LE_SET_GLYPH(glyphStorage[componentGlyph], ligatureGlyph);
-                  if(mm==nComponents) {
+                  ++mm;
+                  if (mm == nComponents) {
                     LE_DEBUG_BAD_FONT("exceeded nComponents");
                     mm--; // don't overrun the stack.
                   }
-                  stack[++mm] = componentGlyph;
+                  stack[mm] = componentGlyph;
                   i = 0;
                 } else {
                   glyphStorage[componentGlyph] = LE_SET_GLYPH(glyphStorage[componentGlyph], 0xFFFF);
                 }
             }