fixes #106

compiler/ccgexprs.nim

@@ -223,7 +223,7 @@ proc genAssignment(p: BProc, dest, src: TLoc, flags: TAssignmentFlags) =
     # little HACK to support the new 'var T' as return type:
     lineCg(p, cpsStmts, "$1 = $2;$n", [rdLoc(dest), rdLoc(src)])
     return
-  var ty = skipTypes(dest.t, abstractVarRange)
+  var ty = skipTypes(dest.t, abstractRange)
   case ty.kind
   of tyRef:
     genRefAssign(p, dest, src, flags)
@@ -282,7 +282,7 @@ proc genAssignment(p: BProc, dest, src: TLoc, flags: TAssignmentFlags) =
     else:
       lineCg(p, cpsStmts, "$1 = $2;$n", [rdLoc(dest), rdLoc(src)])
   of tyPtr, tyPointer, tyChar, tyBool, tyEnum, tyCString,
-     tyInt..tyUInt64, tyRange:
+     tyInt..tyUInt64, tyRange, tyVar:
     lineCg(p, cpsStmts, "$1 = $2;$n", [rdLoc(dest), rdLoc(src)])
   else: InternalError("genAssignment(" & $ty.kind & ')')
 

compiler/cgen.nim

@@ -271,7 +271,7 @@ proc resetLoc(p: BProc, loc: var TLoc) =
       genObjectInit(p, cpsStmts, loc.t, loc, true)
 
 proc constructLoc(p: BProc, loc: TLoc, section = cpsStmts) =
-  if not isComplexValueType(skipTypes(loc.t, abstractVarRange)):
+  if not isComplexValueType(skipTypes(loc.t, abstractRange)):
     lineF(p, section, "$1 = 0;$n", [rdLoc(loc)])
   else:
     lineF(p, section, "memset((void*)$1, 0, sizeof($2));$n",

tests/run/tarray2.nim

@@ -1,24 +1,36 @@
 discard """
   file: "tarray2.nim"
-  output: "[16, 25, 36]"
+  output: "[4, 5, 6]\n\n[16, 25, 36]\n\n[16, 25, 36]"
 """
-# simple check for one dimensional arrays
-
-type
-  TMyArray = array[0..2, int]
-
-proc mul(a, b: TMyarray): TMyArray =
+# simple check for one dimensional arrays
+
+type
+  TMyArray = array[0..2, int]
+
+  TObj = object
+    arr: TMyarray
+  
+proc mul(a, b: TMyarray): TMyArray =
   result = a
   for i in 0..len(a)-1:
     result[i] = a[i] * b[i]
 
 var
-  x, y, z: TMyArray
- 
+  x, y: TMyArray
+  o: TObj
+
+proc varArr1(x: var TMyArray): var TMyArray = x
+proc varArr2(x: var TObj): var TMyArray = x.arr
+
 x = [ 4, 5, 6 ]
+echo repr(varArr1(x))
+
 y = x
 echo repr(mul(x, y))
 
-#OUT [16, 25, 36]
+o.arr = mul(x, y)
+echo repr(varArr2(o))
+
+#OUT [16, 25, 36]