Add front-end support for 64bit X32 target.
fix Issue 7538 - All kinds of property functions should be called before getting their types inside typeof
fix Issue 10577 - 2.063 Mixin Regression (works with 2.062)
fix Issue 10481 - out of memory error
Fix bug 10579 CTFE ICE with TypeInfo

Applies to any attempt to call a virtual function on a static
variable.
Bug 10579 CTFE ICE second case

ICE when resolving a virtual function call in CTFE. Same ICE
as bug 10579.
Merge pull request #2323 from 9rnsr/fix10481

[REG2.063] Issue 10481 - out of memory error
Merge pull request #2325 from donc/ice_ctfe_10579

10579 Regression CTFE ICE with TypeInfo
fix win32 warning in target.c

This was creating a warning during a win32 build:

```
dmc -c -Iroot;\dm\include -o   -cpp -DDM_TARGET_CPU_X86=1  target
target.c(152) : Warning 18: implied return of Target::critsecsize at closing '}' does not return value
```
Update target.c
Merge pull request #2322 from 9rnsr/fix10577

[REG2.063] Issue 10577 - 2.063 Mixin Regression (works with 2.062)
Merge pull request #2327 from monarchdodra/warning

fix win32 warning in target.c
optimize sequence of &&
fix Issue 9578 - "is a nested function and cannot be accessed from" problem
Merge pull request #2330 from 9rnsr/fix9578

Issue 9578 - "is a nested function and cannot be accessed from" problem
Merge pull request #2124 from ibuclaw/x32arch

Add front-end support for 64bit X32 target.
Merge pull request #2123 from 9rnsr/fix7538

Issue 7538 - All kinds of property functions should be called before getting their types inside typeof
Merge pull request #2326 from WalterBright/andand-to-BT

optimize sequence of &&