builder.get_insert_block occasionally triggers assert failed

[Chronostasys]

Describe the Bug
Calling builder.get_insert_block occasionally triggers assert failed in inkwell-0.1.0\src\basic_block.rs:40

To Reproduce
I failed to reproduce it in a simple test project. For the original stack trace please see here

Expected Behavior
no panic

LLVM Version (please complete the following information):

• LLVM Version: 14.0.0
• Inkwell version: 0.1.0

Desktop (please complete the following information):

• OS: Windows 11

this issue seems to only happen on windows platform. I tested the same code on linux and mac, everything works as expected.

Additional Context
This issue starts to occure after I updated inkwell to version 0.1.0.