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Restore the Nim's 0.14 proper handling of generic aliases

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A more efficient implementation is possible by restoring the old
lifting ot tyGenericInvocation to tyGenericInst in liftTypeParam,
but this fix will suffice for now.

fixes #5087
fixes #5602
fixes #5641
fixes #5570
This commit is contained in:
Zahary Karadjov 2017-04-07 23:18:14 +03:00
commit e9a3ffbc3d
12 changed files with 236 additions and 55 deletions
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3
compiler/seminst.nim
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@ -36,7 +36,8 @@ proc rawPushProcCon(c: PContext, owner: PSym) =
c.p = x
proc rawHandleSelf(c: PContext; owner: PSym) =
if c.selfName != nil and owner.kind in {skProc, skMethod, skConverter, skIterator, skMacro} and owner.typ != nil:
const callableSymbols = {skProc, skMethod, skConverter, skIterator, skMacro}
if c.selfName != nil and owner.kind in callableSymbols and owner.typ != nil:
let params = owner.typ.n
if params.len > 1:
let arg = params[1].sym