java/5935: problem with anonymous inner classes

"Roland Hautz"@sources.redhat.com "Roland Hautz"@sources.redhat.com
Wed Mar 13 07:46:00 GMT 2002


>Number:         5935
>Category:       java
>Synopsis:       problem with anonymous inner classes
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          rejects-legal
>Submitter-Id:   net
>Arrival-Date:   Wed Mar 13 07:46:02 PST 2002
>Closed-Date:
>Last-Modified:
>Originator:     
>Release:        3.2 20020303 (experimental)
>Organization:
>Environment:
System: Linux isabella 2.4.10-4GB #1 Tue Sep 25 12:33:54 GMT 2001 i586 unknown
Architecture: i586

	
host: i586-pc-linux-gnu
build: i586-pc-linux-gnu
target: i586-pc-linux-gnu
configured with: /home/roland/gcc/configure  : (reconfigured) /home/roland/gcc/configure --enable-threads=posix --enable-shared --enable-languages=c++,java : (reconfigured) /home/roland/gcc/configure  : (reconfigured) /home/roland/gcc/configure --disable-libf2c : (reconfigured) /home/roland/gcc/configure --enable-threads=posix --enable-languages=c,c++,java : (reconfigured)  : (reconfigured)  : (reconfigured) /home/roland/gcc/configure --enable-threads=posix --enable-languages=c,c++,java --enable-interpreter : (reconfigured)  : (reconfigured)  : (reconfigured)  : (reconfigured)  : (reconfigured)  : (reconfigured)  : (reconfigured)  : (reconfigured)  : (reconfigured)  : (reconfigured)  : (reconfigured) /home/roland/gcc/configure --enable-threads=posix --enable-languages=c,c++,java : (reconfigured) /home/roland/gcc/configure --enable-threads=posix --enable-languages=c,c++,java : (reconfigured)  : (reconfigured) /home/roland/gcc/configure --enable-threads=posix --enable-language!
 s=c,c++,java
>Description:
gcj rejects legal code of anonymous inner classes with the following error message

roland@isabella:~/work> gcj -C Test.java
IntProcedure.java: In class `Test$1':
IntProcedure.java: In constructor `(Test,int)':
IntProcedure.java:22: Local variable `parm$key' can't be accessed from within the inner class `Test$1' unless it is declared final.
   <<file too short - unexpected EOF>>
   ^
IntProcedure.java:1: internal error in generate_bytecode_insn - tree code not implemented: error_mark

>How-To-Repeat:
	

public interface IntProcedure {
    public int apply();
}
import IntProcedure;

public class Test {

    public Object a(final int key) {
	return new IntProcedure() {
			public int apply() {
			    return key;
			}
		};
    }

    public Object  b(final int value) {
	return new IntProcedure() {
			public int apply() {
			    return value;
			}
		};
    }

}

>Fix:
	
>Release-Note:
>Audit-Trail:
>Unformatted:



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