fixes #1444

lib/pure/collections/sets.nim

@@ -130,7 +130,7 @@ proc mget*[A](s: var HashSet[A], key: A): var A =
   ## for sharing.
   assert s.isValid, "The set needs to be initialized."
   var index = rawGet(s, key)
-  if index >= 0: result = t.data[index].key
+  if index >= 0: result = s.data[index].key
   else: raise newException(KeyError, "key not found: " & $key)
 
 proc contains*[A](s: HashSet[A], key: A): bool =

lib/system.nim

@@ -874,13 +874,13 @@ proc contains*[T](s: Slice[T], value: T): bool {.noSideEffect, inline.} =
   ##   assert((1..3).contains(4) == false)
   result = s.a <= value and value <= s.b
 
-template `in` * (x, y: expr): expr {.immediate.} = contains(y, x)
+template `in` * (x, y: expr): expr {.immediate, dirty.} = contains(y, x)
   ## Sugar for contains
   ##
   ## .. code-block:: Nim
   ##   assert(1 in (1..3) == true)
   ##   assert(5 in (1..3) == false)
-template `notin` * (x, y: expr): expr {.immediate.} = not contains(y, x)
+template `notin` * (x, y: expr): expr {.immediate, dirty.} = not contains(y, x)
   ## Sugar for not containing
   ##
   ## .. code-block:: Nim

lib/system/embedded.nim

@@ -21,7 +21,7 @@ proc popFrame {.compilerRtl, inl.} = discard
 proc setFrame(s: PFrame) {.compilerRtl, inl.} = discard
 proc pushSafePoint(s: PSafePoint) {.compilerRtl, inl.} = discard
 proc popSafePoint {.compilerRtl, inl.} = discard
-proc pushCurrentException(e: ref E_Base) {.compilerRtl, inl.} = discard
+proc pushCurrentException(e: ref Exception) {.compilerRtl, inl.} = discard
 proc popCurrentException {.compilerRtl, inl.} = discard
 
 # some platforms have native support for stack traces:
@@ -32,7 +32,7 @@ const
 proc quitOrDebug() {.inline.} =
   quit(1)
 
-proc raiseException(e: ref E_Base, ename: CString) {.compilerRtl.} =
+proc raiseException(e: ref Exception, ename: cstring) {.compilerRtl.} =
   sysFatal(ENoExceptionToReraise, "exception handling is not available")
 
 proc reraiseException() {.compilerRtl.} =