assignops: /= behaves incorrectly with negative number

[ee7]

With:

• libcon4m https://github.com/crashappsec/libcon4m/commit/14604adf6ca68c75a08360129d71beb63571c1d1
• x86_64
• Linux 6.9.6
• clang 17.0.6

Example

x = 3
x /= -1
print(x)

Expected behavior

Outputs -3.

Observed behavior

Outputs 0.

[viega]

Yes, accidentally used the wrong type on the LHS when accessing the union; fixed in branch.