fix assigning a pointer (uword) to string not copying the correct memory

compiler/src/prog8/compiler/astprocessing/StatementReorderer.kt

@@ -414,14 +414,10 @@ internal class StatementReorderer(val program: Program,
 
     private fun copyStringValue(assign: Assignment): List<IAstModification> {
         val identifier = assign.target.identifier!!
-        val sourceIdent = assign.value as? IdentifierReference
         val strcopy = FunctionCallStatement(IdentifierReference(listOf("sys", "internal_stringcopy"), assign.position),
             mutableListOf(
-                if(sourceIdent!=null)
-                    AddressOf(sourceIdent, assign.position)
-                else
-                    assign.value,
-                AddressOf(identifier, assign.position)
+                assign.value as? IdentifierReference ?: assign.value,
+                identifier
             ),
             true,
             assign.position

examples/test.p8

@@ -27,7 +27,14 @@ main {
         ubyte @shared value = inline_candidate()
 
         str name = "irmen123ABC"
-        str other = "zrmen123ABC"
+        str other = "zrmen123zzz"
+
+        txt.print(name)
+        txt.nl()
+        name=other
+        txt.print(name)
+        txt.nl()
+        txt.nl()
 
         txt.print_ub(string.upper(name))
         txt.print(name)