fixed system.nim to use the proper getTypeInfo magic

config/nimrod.cfg

@@ -7,7 +7,7 @@
 # @putenv "key" "val"
 # Environment variables cannot be used in the options, however!
 
-cc = clang
+cc = gcc
 
 @if nim: 
   # use the old fixed library for bootstrapping with Nim:

lib/system.nim

@@ -1889,4 +1889,8 @@ proc `[]=`*[T](s: var seq[T], x: TSlice[int], b: openArray[T]) =
   else:
     raise newException(EOutOfRange, "differing lengths for slice assignment")
 
-proc getTypeInfo*[T](x: T): pointer {.magic: "ToAny".}
+proc getTypeInfo*[T](x: T): pointer {.magic: "GetTypeInfo".}
+  ## get type information for `x`. Ordinary code should not use this, but
+  ## the `typeinfo` module instead.
+  
+