a7bf80389a
PR libgcj/29178: * gnu/java/nio/charset/US_ASCII.java (Encoder.canEncode): New method. (Encoder.canEncode): Likewise. (Encoder.encodeLoop): Return unmappable for all non-ASCII characters. * gnu/java/nio/charset/ByteCharset.java (Encoder.canEncode): New method. (Encoder.canEncode): Likewise. * gnu/java/nio/charset/ISO_8859_1.java (Encoder.canEncode): New method. (Encoder.canEncode): Likewise. From-SVN: r117209