fixes --gc:none regression; made some tests green

lib/system/gc.nim

@@ -461,6 +461,9 @@ proc rawNewObj(typ: PNimType, size: int, gch: var TGcHeap): pointer =
 
 {.pop.}
 
+proc newObjNoInit(typ: PNimType, size: int): pointer {.compilerRtl.} =
+  result = rawNewObj(typ, size, gch)
+
 proc newObj(typ: PNimType, size: int): pointer {.compilerRtl.} =
   result = rawNewObj(typ, size, gch)
   zeroMem(result, size)

lib/system/mmdisp.nim

@@ -1,7 +1,7 @@
 #
 #
 #            Nim's Runtime Library
-#        (c) Copyright 2013 Andreas Rumpf
+#        (c) Copyright 2015 Andreas Rumpf
 #
 #    See the file "copying.txt", included in this
 #    distribution, for details about the copyright.
@@ -240,6 +240,8 @@ elif defined(nogc) and defined(useMalloc):
     result = newObj(typ, addInt(mulInt(len, typ.base.size), GenericSeqSize))
     cast[PGenericSeq](result).len = len
     cast[PGenericSeq](result).reserved = len
+  proc newObjNoInit(typ: PNimType, size: int): pointer =
+    result = alloc(size)
 
   proc growObj(old: pointer, newsize: int): pointer =
     result = realloc(old, newsize)
@@ -289,6 +291,10 @@ elif defined(nogc):
 
   proc newObj(typ: PNimType, size: int): pointer {.compilerproc.} =
     result = alloc0(size)
+
+  proc newObjNoInit(typ: PNimType, size: int): pointer =
+    result = alloc(size)
+
   proc newSeq(typ: PNimType, len: int): pointer {.compilerproc.} =
     result = newObj(typ, addInt(mulInt(len, typ.base.size), GenericSeqSize))
     cast[PGenericSeq](result).len = len

lib/system/sysstr.nim

@@ -43,7 +43,7 @@ else:
     cast[NimString](newObj(addr(strDesc), size))
 
   template allocStrNoInit(size: expr): expr =
-    cast[NimString](rawNewObj(addr(strDesc), size, gch))
+    cast[NimString](newObjNoInit(addr(strDesc), size))
 
 proc rawNewStringNoInit(space: int): NimString {.compilerProc.} =
   var s = space

tests/deprecated/tdeprecated.nim

@@ -1,5 +1,5 @@
 discard """
-  nimout: "'a' is deprecated [Deprecated]"
+  nimout: "a is deprecated [Deprecated]"
 """
 
 var

tests/enum/tenumitems.nim

@@ -1,6 +1,6 @@
 discard """
   line: 7
-  errormsg: "expression 'items' cannot be called"
+  errormsg: "undeclared identifier: 'items'"
 """
 
 type a = enum b,c,d

tests/misc/tissue710.nim

@@ -1,7 +1,7 @@
 discard """
   file: "tissue710.nim"
   line: 8
-  errorMsg: "expression '||' cannot be called"
+  errorMsg: "undeclared identifier: '||'"
 """
 var sum = 0
 for x in 3..1000:

tests/misc/tnoop.nim

@@ -1,12 +1,11 @@
 discard """
   file: "tnoop.nim"
   line: 11
-  errormsg: "expression \'a()\' cannot be called"
+  errormsg: "undeclared identifier: 'a'"
 """
-# Tests the new check in the semantic pass
+
 
 var
   a: int
 
-a()  #ERROR_MSG expression 'a()' cannot be called
+a()
-