[Swig-devel] [ swig-Bugs-3530055 ] swig 2.0.7 segfaults (generating ruby or python code)

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Bugs item #3530055, was opened at 2012-05-27 02:27
Message generated for change (Comment added) made by wsfulton
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Category: code generation (general)
Group: None
Status: Closed
>Resolution: Duplicate
Priority: 5
Private: No
Submitted By: Klaus Kämpf (kkaempf)
Assigned to: Nobody/Anonymous (nobody)
Summary: swig 2.0.7 segfaults (generating ruby or python code)

Initial Comment:
Swig 2.0.7 segfaults at

#1  0x00000000004f86ee in Swig_scopename_last (s=0x0) at Swig/misc.c:872
872	  if (!strstr(c, "::"))

with c being NULL

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>Comment By: William Fulton (wsfulton)
Date: 2012-05-27 23:06

Message:
This is a swig bug - see duplicate 3530055.

BTW, swig debugging is a whole lot easier if using the gdb macros in
Tools/swig.gdb. This this file for details as well as
http://swig.svn.sourceforge.net/viewvc/swig/trunk/Doc/Devel/internals.html#7.

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Comment By: Klaus Kämpf (kkaempf)
Date: 2012-05-27 03:32

Message:
Hmm, seems to be a gcc 4.7 issue and not related to swig.

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Comment By: Klaus Kämpf (kkaempf)
Date: 2012-05-27 02:30

Message:
Called from


#2  0x00000000004fc8a8 in Swig_name_str (n=0x7f5816b39930) at
Swig/naming.c:1667
1667	  String *name = Swig_scopename_last(Getattr(n, "name"));

but gdb cannot resolve n:


(gdb) print n
$2 = (Node *) 0x7f5816b39930
(gdb) print *n
Attempt to dereference a generic pointer.


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