fix Issue 11066 - Spurious warning 'statement is not reachable' with -profile
[Refactoring] in FuncDeclaration::semantic3
Add regression test for bug 7068.
Merge pull request #3746 from Safety0ff/test7068

Add regression test for bug 7068.
Merge pull request #3737 from 9rnsr/fix11066

Issue 11066 - Spurious warning 'statement is not reachable' with -profile
Remove extern "C" verror hacks now that va_list has been fixed
Issue 13109 - Show error on conflicting args -lib and -run
Merge pull request #3749 from yebblies/valistfix

[DDMD] Remove extern "C" verror hacks now that va_list has been fixed
Merge pull request #3751 from lionello/fix13109

Issue 13109 - Show error on conflicting args -lib and -run