Segfault in PycRef<_Obj>& operator=(const PycRef<_Obj>& obj)

[CaledoniaProject]

Hi there, I have a segfault issue decompiling a Python3 script. I can't upload the pyc here, so I uploaded the stack dump. Hopefully you can find the issue.

I'm using the master branch,

Process 86212 stopped
* thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x100e)
    frame #0: 0x0000000100026cf8 pycdc`PycRef<ASTBlock>::operator=(this=0x000000016fdf9280, obj=0x000000000000100e) at pyc_object.h:46:17
   43
   44  	    PycRef<_Obj>& operator=(const PycRef<_Obj>& obj)
   45  	    {
-> 46  	        if (obj.m_obj)
   47  	            obj.m_obj->addRef();
   48  	        if (m_obj)
   49  	            m_obj->delRef();
Target 0: (pycdc) stopped.
(lldb) bt
* thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x100e)
  * frame #0: 0x0000000100026cf8 pycdc`PycRef<ASTBlock>::operator=(this=0x000000016fdf9280, obj=0x000000000000100e) at pyc_object.h:46:17
    frame #1: 0x0000000100016cec pycdc`BuildFromCode(code=PycRef<PycCode> @ 0x000000016fdf98f8, mod=0x000000016fdfe850) at ASTree.cpp:1386:26
    frame #2: 0x0000000100034874 pycdc`decompyle(code=PycRef<PycCode> @ 0x000000016fdfac88, mod=0x000000016fdfe850, pyc_output=0x00000001f44121a8) at ASTree.cpp:3357:30
    frame #3: 0x000000010002e8a4 pycdc`print_src(node=PycRef<ASTNode> @ 0x000000016fdfc0a8, mod=0x000000016fdfe850, pyc_output=0x00000001f44121a8) at ASTree.cpp:2951:17
    frame #4: 0x00000001000311e8 pycdc`print_src(node=PycRef<ASTNode> @ 0x000000016fdfdd50, mod=0x000000016fdfe850, pyc_output=0x00000001f44121a8) at ASTree.cpp:3181:17
    frame #5: 0x000000010002dcc4 pycdc`print_src(node=PycRef<ASTNode> @ 0x000000016fdfe450, mod=0x000000016fdfe850, pyc_output=0x00000001f44121a8) at ASTree.cpp:2892:17
    frame #6: 0x0000000100035f3c pycdc`decompyle(code=PycRef<PycCode> @ 0x000000016fdfe7d8, mod=0x000000016fdfe850, pyc_output=0x00000001f44121a8) at ASTree.cpp:3444:5
    frame #7: 0x0000000100005770 pycdc`main(argc=2, argv=0x000000016fdfeda0) at pycdc.cpp:97:9
    frame #8: 0x000000018a7a8274 dyld`start + 2840
(lldb)