patch 8.0.0537: illegal memory access with :z and large count commit https://github.com/vim/vim/commit/fa0ad0bb0b4255e64ebcf9269d60a942e0ae7ff9 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Apr 2 15:45:17 2017 +0200 patch 8.0.0537: illegal memory access with :z and large count Problem: Illegal memory access with :z and large count. Solution: Check for number overflow, using long instead of int. (Dominique Pelle, closes #1612)

start:
'abcd'
'abcd'
'Dance'
'Dance'
{'var_str': 'Dance'}
{'var_str': 'Dance'}
'Chance'
{}
{}
''
'Chance'
0
0
[1, 2, 3]
[1, 2, 3]
{'var_list': [1, 2, 3], 'other': 777}
{'var_list': [1, 2, 3], 'other': 777}
[4, 5, 6, 7]
''
[4, 5, 6, 7]
''
[4, 5, 6, 7]
{'dict': 'tabwin'}
{'dict': 'tabwin'}
{'var_dict': {'dict': 'tabwin'}}
{'var_dict': {'dict': 'tabwin'}}
{'dict2': 'newval'}
{}
{}
''
{'dict2': 'newval'}
''
{'dict2': 'newval'}
''
1