[M1] Some of the code in the .cpp file is uncolored

[Ashley-Li]

Environment

• OS and Version: Mac ARM64
• VS Code Version: 1.96.4
• C/C++ Extension Version: 1.23.4(pre-release)
• If using SSH remote, specify OS of remote machine: NA

Bug Summary and Steps to Reproduce

Bug Summary: [M1] Some of the code in the .cpp file is uncolored

Steps to reproduce:

1. Open a .cpp file and add the following codes:

#include <iostream>
int main()
{ 
   std: cout<"Hello World! \n"; 
}

2. Check that the coloring of the code is correct

Expected behavior:
The coloring of the code is normal

Actual behavior:
Part of the code is not colored

More info:

1. This issue is reproduced on C/C++ version 1.3.0, so it is not a regression issue.
2. Windows/Linux platforms don’t reproduce the issue; Mac x64 also doesn’t reproduce the issue, only Mac ARM64 platform reproduces the issue.

Configuration and Logs

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Other Extensions

No response

Additional context

No response