java/9369: wrong bytecode generated for static inner class with private constructor
jsturm@one-point.com
jsturm@one-point.com
Sun Jan 19 18:53:00 GMT 2003
>Number: 9369
>Category: java
>Synopsis: wrong bytecode generated for static inner class with private constructor
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: unassigned
>State: open
>Class: wrong-code
>Submitter-Id: net
>Arrival-Date: Sun Jan 19 18:16:01 UTC 2003
>Closed-Date:
>Last-Modified:
>Originator: jsturm@one-point.com
>Release: gcj (GCC) 3.4 20021230 (experimental)
>Organization:
>Environment:
>Description:
javac and jikes generate a synthetic constructor for the example given:
5: invokespecial #3=<Method Outer$Inner.<init> (Outer$1)void>
gcj however attempts to access the constructor declared private, failing at runtime with an IllegalAccessError:
4: invokespecial #13=<Method Outer$Inner.<init> ()void>
Also gcj doesn't generate the synthetic Outer$Inner constructor at all.
>How-To-Repeat:
$ cat Outer.java
public class Outer {
public Object getInner() {
return new Inner();
}
private static class Inner {
private Inner() {
}
public String toString() {
return "OK";
}
}
public static void main(String[] args) {
Outer outer = new Outer();
System.out.println(outer.getInner());
}
}
$ gcj -C Outer.java
$ gij Outer
Exception in thread "main" java.lang.IllegalAccessError
at _Jv_SearchMethodInClass(java.lang.Class, java.lang.Class, _Jv_Utf8Const, _Jv_Utf8Const) (/opt/gcc/lib/libgcj.so.4.0.0)
at _Jv_ResolvePoolEntry(java.lang.Class, int) (/opt/gcc/lib/libgcj.so.4.0.0)
at Outer.getInner() (Unknown Source)
at Outer.main(java.lang.String[]) (Unknown Source)
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
More information about the Gcc-bugs
mailing list