Bug#422569: gcj-4.1: gcj debug info emits "line 0"

[Matthias Klose <doko@cs.tu-berlin.de>]

Daniel Jacobowitz writes:
> Package: gcj-4.1
> Version: 4.1.2-4
> Severity: normal
> 
> I recently upgraded gcj (and/or ecj?) and now a couple of GDB tests fail.
> To see the problem, take this file:
> 
> public class jmain
> {
>   public static void main (String[] args)
>     {
> 	return;
>     }
> }
> 
> drow@caradoc:/space/fsf/commit/src/gdb% gcj -g -c -o j testsuite/gdb.java/jmain.java
> drow@caradoc:/space/fsf/commit/src/gdb% readelf -wi j | grep decl_line
>   <9c>     DW_AT_decl_line   : 0
>   <b8>     DW_AT_decl_line   : 0
>   <d7>     DW_AT_decl_line   : 0
>   <13a>     DW_AT_decl_line   : 1
>   <19f>     DW_AT_decl_line   : 5
> 
> Main appears to be declared on line 0 in the debug info.  That last
> one is the argument "args".
> 
> I'm told this does not happen on GCC HEAD and I don't recall it

I see the same behaviour with the gcc-snapshot package.

> happening on earlier 4.1.x Debian packages either.

4.1.2 does include the java merge from the fedora 4.1 branch (which
itself was backported from the trunk).