fix Issue 12509 - Compiler performance highly depends on declared array size - for struct with long static array of structs
fix Issue 12539 - Compiler crash when looking up a nonexistent tuple element in an associative array
fix Issue 12543 - Class.sizeof requires the Class' definition
Merge pull request #3437 from 9rnsr/fix12543

Issue 12543 - Class.sizeof requires the Class' definition
Merge pull request #3435 from 9rnsr/fix12539

Issue 12539 - Compiler crash when looking up a nonexistent tuple element in an associative array
Merge pull request #3425 from 9rnsr/fix12509

[REG2.064] Issue 12509 - Compiler performance highly depends on declared array size - for struct with long static array of structs