This bug concerns these dependencies:

sun.awt.FontDescriptor -> sun.nio.cs.HistoricallyNamedCharset (java.base)
sun.awt.HKSCS -> sun.nio.cs.ext.MS950_HKSCS_XP (sun.charsets)
sun.awt.motif.X11CNS11643$Decoder -> sun.nio.cs.ext.EUC_TW (sun.charsets)
sun.awt.motif.X11CNS11643$Decoder -> sun.nio.cs.ext.EUC_TW$Decoder (sun.charsets)
sun.awt.motif.X11CNS11643$Encoder -> sun.nio.cs.ext.EUC_TW (sun.charsets)
sun.awt.motif.X11CNS11643$Encoder -> sun.nio.cs.ext.EUC_TW$Encoder (sun.charsets)
sun.awt.motif.X11GB18030_0$Encoder -> sun.nio.cs.ext.DoubleByteEncoder (sun.charsets)
sun.awt.motif.X11GB18030_1$Encoder -> sun.nio.cs.ext.DoubleByteEncoder (sun.charsets)
sun.awt.motif.X11GB2312$Decoder -> sun.nio.cs.CharsetMapping (java.base)
sun.awt.motif.X11GB2312$Decoder -> sun.nio.cs.ext.DoubleByte (sun.charsets)
sun.awt.motif.X11GB2312$Decoder -> sun.nio.cs.ext.DoubleByte$Decoder (sun.charsets)
sun.awt.motif.X11GB2312$Decoder -> sun.nio.cs.ext.EUC_CN (sun.charsets)
sun.awt.motif.X11GB2312$Encoder -> sun.nio.cs.ext.DoubleByte (sun.charsets)
sun.awt.motif.X11GB2312$Encoder -> sun.nio.cs.ext.DoubleByte$Encoder (sun.charsets)
sun.awt.motif.X11GB2312$Encoder -> sun.nio.cs.ext.EUC_CN (sun.charsets)
sun.awt.motif.X11GBK -> sun.nio.cs.ext.GBK (sun.charsets)
sun.awt.motif.X11GBK$Encoder -> sun.nio.cs.CharsetMapping (java.base)
sun.awt.motif.X11GBK$Encoder -> sun.nio.cs.ext.DoubleByte (sun.charsets)
sun.awt.motif.X11GBK$Encoder -> sun.nio.cs.ext.DoubleByte$Encoder (sun.charsets)
sun.awt.motif.X11GBK$Encoder -> sun.nio.cs.ext.GBK (sun.charsets)
sun.awt.motif.X11JIS0201 -> sun.nio.cs.SingleByte (java.base)
sun.awt.motif.X11JIS0201 -> sun.nio.cs.SingleByte$Encoder (java.base)
sun.awt.motif.X11JIS0201 -> sun.nio.cs.ext.JIS_X_0201 (sun.charsets)
sun.awt.motif.X11JIS0201$Encoder -> sun.nio.cs.CharsetMapping (java.base)
sun.awt.motif.X11JIS0201$Encoder -> sun.nio.cs.SingleByte (java.base)
sun.awt.motif.X11JIS0201$Encoder -> sun.nio.cs.SingleByte$Encoder (java.base)
sun.awt.motif.X11JIS0201$Encoder -> sun.nio.cs.Surrogate (java.base)
sun.awt.motif.X11JIS0201$Encoder -> sun.nio.cs.Surrogate$Parser (java.base)
sun.awt.motif.X11JIS0208 -> sun.nio.cs.ext.JIS_X_0208 (sun.charsets)
sun.awt.motif.X11JIS0212 -> sun.nio.cs.ext.JIS_X_0212 (sun.charsets)
sun.awt.motif.X11Johab$Encoder -> sun.nio.cs.ext.DoubleByteEncoder (sun.charsets)
sun.awt.motif.X11KSC5601$Decoder -> sun.nio.cs.CharsetMapping (java.base)
sun.awt.motif.X11KSC5601$Decoder -> sun.nio.cs.ext.DoubleByte (sun.charsets)
sun.awt.motif.X11KSC5601$Decoder -> sun.nio.cs.ext.DoubleByte$Decoder (sun.charsets)
sun.awt.motif.X11KSC5601$Decoder -> sun.nio.cs.ext.EUC_KR (sun.charsets)
sun.awt.motif.X11KSC5601$Encoder -> sun.nio.cs.ext.DoubleByte (sun.charsets)
sun.awt.motif.X11KSC5601$Encoder -> sun.nio.cs.ext.DoubleByte$Encoder (sun.charsets)
sun.awt.motif.X11KSC5601$Encoder -> sun.nio.cs.ext.EUC_KR (sun.charsets)
sun.awt.motif.X11SunUnicode_0$Encoder -> sun.nio.cs.ext.DoubleByteEncoder (sun.charsets)

In our JDK modularization effort then AWT is in a desktop module and it is highly undesirable to have it reaching into the internals of the charset implementation to access specific charsets.