Compilation of "Double commander" with the current trunk fails

Summary

Try to compile Double Commander with the latest FPC trunk. It fails with "Internal compiler error, Access violation" (presumably at src/platform/umicrolibc.pas).

System Information

• Operating system:

  Windows

• Processor architecture:

  x86-64

• Compiler version:

  trunk

• Device:

  Computer

Steps to reproduce

Try to compile Double Commander with the latest FPC trunk.

Example Project

Double Commander

What is the current bug behavior?

Failing with "Compiler error, access violation at multiple addresses".

What is the expected (correct) behavior?

Successful compilation.

Relevant logs and/or screenshots

Possible fixes