enable destructors without the --newruntime switch

compiler/semasgn.nim

@@ -101,10 +101,7 @@ proc newOpCall(op: PSym; x: PNode): PNode =
 proc destructorCall(c: PContext; op: PSym; x: PNode): PNode =
   result = newNodeIT(nkCall, x.info, op.typ.sons[0])
   result.add(newSymNode(op))
-  if destructor in c.features:
-    result.add genAddr(c, x)
-  else:
-    result.add x
+  result.add genAddr(c, x)
 
 proc newDeepCopyCall(op: PSym; x, y: PNode): PNode =
   result = newAsgnStmt(x, newOpCall(op, y))
@@ -319,7 +316,7 @@ proc liftTypeBoundOps*(c: PContext; typ: PType; info: TLineInfo) =
   ## In the semantic pass this is called in strategic places
   ## to ensure we lift assignment, destructors and moves properly.
   ## The later 'destroyer' pass depends on it.
-  if destructor notin c.features or not hasDestructor(typ): return
+  if not hasDestructor(typ): return
   when false:
     # do not produce wrong liftings while we're still instantiating generics:
     # now disabled; breaks topttree.nim!

compiler/semexprs.nim

@@ -1556,12 +1556,7 @@ proc semAsgn(c: PContext, n: PNode; mode=asgnNormal): PNode =
           typeMismatch(c.config, n.info, lhs.typ, rhsTyp)
 
     n.sons[1] = fitNode(c, le, rhs, n.info)
-    if destructor notin c.features:
-      if tfHasAsgn in lhs.typ.flags and not lhsIsResult and
-          mode != noOverloadedAsgn:
-        return overloadedAsgn(c, lhs, n.sons[1])
-    else:
-      liftTypeBoundOps(c, lhs.typ, lhs.info)
+    liftTypeBoundOps(c, lhs.typ, lhs.info)
 
     fixAbstractType(c, n)
     asgnToResultVar(c, n, n.sons[0], n.sons[1])

compiler/semtypinst.nim

@@ -369,10 +369,7 @@ proc handleGenericInvocation(cl: var TReplTypeVars, t: PType): PType =
         assert newbody.kind in {tyRef, tyPtr}
         assert newbody.lastSon.typeInst == nil
         newbody.lastSon.typeInst = result
-    if destructor in cl.c.features:
-      cl.c.typesWithOps.add((newbody, result))
-    else:
-      typeBound(cl.c, newbody, result, assignment, cl.info)
+    cl.c.typesWithOps.add((newbody, result))
     let methods = skipTypes(bbody, abstractPtrs).methods
     for col, meth in items(methods):
       # we instantiate the known methods belonging to that type, this causes
@@ -546,7 +543,6 @@ proc replaceTypeVarsTAux(cl: var TReplTypeVars, t: PType): PType =
       else: discard
 
 proc instAllTypeBoundOp*(c: PContext, info: TLineInfo) =
-  if destructor notin c.features: return
   var i = 0
   while i < c.typesWithOps.len:
     let (newty, oldty) = c.typesWithOps[i]