fix Issue 13503 - Bad code with -inline, varargs and auto return
fix Issue 13465 - Segfault by eager semantic2 running in template instantiation
deprecate NCEG operator usage
Merge pull request #4027 from WalterBright/nceg-deprecate

deprecate NCEG operator usage
Merge pull request #4024 from 9rnsr/fix13465

Issue 13465 - Segfault by eager semantic2 running in template instantiation
Merge pull request #4014 from 9rnsr/fix13503

[REG2.065] Issue 13503 - Bad code with -inline, varargs and auto return