fixes #287; bugfix: subrange checking is performed again

tests/compile/tmatrix1.nim

@@ -0,0 +1,19 @@
+discard """
+  output: "right proc called"
+"""
+
+type
+  TMatrixNM*[M, N, T] = object 
+    aij*: array[M, array[N, T]]
+  TMatrix2x2*[T] = TMatrixNM[range[0..1], range[0..1], T]
+  TMatrix3x3*[T] = TMatrixNM[range[0..2], range[0..2], T]
+
+proc test*[T] (matrix: TMatrix2x2[T]) =
+  echo "wrong proc called"
+
+proc test*[T] (matrix: TMatrix3x3[T]) =
+  echo "right proc called"  
+
+var matrix: TMatrix3x3[float]
+
+matrix.test

tests/reject/tsubrange.nim

@@ -0,0 +1,21 @@
+discard """
+  line: 20
+  errormsg: "cannot convert 60 to TRange"
+"""
+
+type
+  TRange = range[0..40]
+  
+proc p(r: TRange) =
+  nil
+  
+var
+  r: TRange
+  y = 50
+r = y
+
+p y
+
+const
+  myConst: TRange = 60
+  

tests/run/tsubrange.nim

@@ -0,0 +1,19 @@
+discard """
+  file: "tsubrange.nim"
+  outputsub: "value 50 out of range [EOutOfRange]"
+  exitcode: "1"
+"""
+
+type
+  TRange = range[0..40]
+  
+proc p(r: TRange) =
+  nil
+  
+var
+  r: TRange
+  y = 50
+r = y
+
+#p y
+  

tests/run/tsubrange2.nim

@@ -0,0 +1,17 @@
+discard """
+  file: "tsubrange2.nim"
+  outputsub: "value 50 out of range [EOutOfRange]"
+  exitcode: "1"
+"""
+
+type
+  TRange = range[0..40]
+  
+proc p(r: TRange) =
+  nil
+  
+var
+  r: TRange
+  y = 50
+p y
+