Fix  Issue 12827 - [ICE] Segfault on immutable field self-initialization
Fix test output message
Fix test output message #2
Merge pull request #3871 from maxfom/fix12827

Fix  Issue 12827 - [ICE] Segfault on immutable field self-initialization
[Refactoring] fix indent in IsExp::semantic()
fix Issue 13350 - is(typeof(fun)) causes link error when template fun calls undefined reference

Evaluate the type in InExp, then unspeculative declared symbols.
+1
+1a
+bugfix
-clean
-clean2
fix link846.d
+2
-reduce indent
+2a
+2b
fix runnable/A16.d
+clean & a little fix in unSpeculative
+clean2
+clean3 Rename instMod -> tinstModule -> minst