Add test case for DIM BYREF bug #822 (fixed by a821ef5/3cc22e22)

git bisect showed that a821ef5 already fixed this indirectly,
by showing the following error message:
  Local symbols can't be referenced in 'Dim Byref As UDT1 UDT2.ru1 = u1'
now since 3cc22e2 another error is shown:
  Expected constant in 'Dim Byref As UDT1 UDT2.ru1 = u1'

Author: dkl

changelog.txt

@@ -61,7 +61,7 @@ Version 1.06.0
 - Fixed inline asm procedure name mangling bug (missing underscore prefix) with -gen gcc -asm intel on dos/win32
 - #878: Fix fbc-64bit hangs on 'Case True' + 'Case False' inside 'Select Case As const'
 - Fix SELECT CASE AS CONST to allow both signed & unsigned case range values
-- Compiler crash when initializing shared reference (DIM SHARED BYREF) from another shared reference
+- #822: Compiler crash when initializing shared reference (DIM SHARED BYREF) from another shared reference
 
 
 Version 1.05.0

tests/dim/byref-static-member-from-local.bas

@@ -0,0 +1,14 @@
+' TEST_MODE : COMPILE_ONLY_FAIL
+
+Type UDT1
+  Dim As Integer I1
+End Type
+
+Type UDT2
+  Dim As Integer I2
+  Static Byref As UDT1 ru1
+End Type
+
+Dim As UDT1 u1
+
+Dim Byref As UDT1 UDT2.ru1 = u1