[svn r104] TONS OF FIXES.

Split up declaration, constant initializer gen and definition for globals, structs, classes and functions.
Improved ClassInfo support (not complete), not in vtable yet.
Fixed a bunch of forward reference problems.
Much more. Major commit! :)

dmd/func.c

@@ -80,6 +80,7 @@ FuncDeclaration::FuncDeclaration(Loc loc, Loc endloc, Identifier *id, enum STC s
     llvmArgPtr = NULL;
     llvmDwarfSubProgram = NULL;
     llvmRunTimeHack = false;
+    llvmIRFunc = NULL;
 }
 
 Dsymbol *FuncDeclaration::syntaxCopy(Dsymbol *s)