'v2.067.1'

Merge pull request dlang#4463 from MartinNowak/revert3761

Revert "Merge pull request dlang#3761 from quickfur/issue13116"

Merge pull request dlang#4446 from 9rnsr/fix14218

[REG2.067a] Issue 14218 - casting null to integer type causes error message

Merge pull request dlang#4427 from 9rnsr/fix14211

Issue 14211 - Compiler should devirtualize calls to members of final class

Merge pull request dlang#4415 from 9rnsr/fix12500

Issue 12500 - ICE in codegen when multiplying an incremented size_t by a double

Merge pull request dlang#4055 from MartinNowak/2.066

2.066