fixes #458

compiler/semexprs.nim

@@ -920,7 +920,7 @@ proc builtinFieldAccess(c: PContext, n: PNode, flags: TExprFlags): PNode =
           result = check
   elif ty.kind == tyTuple and ty.n != nil: 
     f = getSymFromList(ty.n, i)
-    if f != nil: 
+    if f != nil:
       n.sons[0] = makeDeref(n.sons[0])
       n.sons[1] = newSymNode(f)
       n.typ = f.typ
@@ -1582,6 +1582,7 @@ proc semTupleFieldsConstr(c: PContext, n: PNode, flags: TExprFlags): PNode =
                                         flags*{efAllowDestructor})
     var f = newSymS(skField, n.sons[i].sons[0], c)
     f.typ = skipIntLit(n.sons[i].sons[1].typ)
+    f.position = i
     rawAddSon(typ, f.typ)
     addSon(typ.n, newSymNode(f))
     n.sons[i].sons[0] = newSymNode(f)

tests/compile/tvarious.nim

@@ -1,5 +1,8 @@
 # Test various aspects
 
+var x = (x: 42, y: (a: 8, z: 10))
+echo x.y
+
 import
   mvarious
 
@@ -31,7 +34,7 @@ var
 r.b.a.x = 0
 global = global + 1
 exportme()
-write(stdout, "Hallo wie hei<EFBFBD>t du? ")
+write(stdout, "Hallo wie heißt du? ")
 write(stdout, getPA().x)
 s = readLine(stdin)
 i = 0
@@ -39,5 +42,4 @@ while i < s.len:
   if s[i] == 'c': write(stdout, "'c' in deinem Namen gefunden\n")
   i = i + 1
 
-write(stdout, "Du hei<EFBFBD>t " & s)
-
+write(stdout, "Du heißt " & s)