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fixes #2125

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Araq 2015-02-18 13:22:06 +01:00
commit b7f11b8b0a
7 changed files with 113 additions and 20 deletions
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20
compiler/sigmatch.nim
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@ -1261,12 +1261,20 @@ proc paramTypesMatchAux(m: var TCandidate, f, argType: PType,
result = implicitConv(nkHiddenStdConv, f, result, m, c)
of isGeneric:
inc(m.genericMatches)
result = copyTree(arg)
result.typ = getInstantiatedType(c, arg, m, f)
# BUG: f may not be the right key!
if skipTypes(result.typ, abstractVar-{tyTypeDesc}).kind in {tyTuple}:
result = implicitConv(nkHiddenStdConv, f, copyTree(arg), m, c)
# BUGFIX: use ``result.typ`` and not `f` here
when false:
if skipTypes(arg.typ, abstractVar-{tyTypeDesc}).kind == tyTuple:
result = implicitConv(nkHiddenStdConv, f, copyTree(arg), m, c)
else:
result = arg.copyTree
else:
# XXX Why is this ever necessary? arg's type should not be retrofitted
# to match formal's type in this way!
result = copyTree(arg)
result.typ = getInstantiatedType(c, arg, m, f)
# BUG: f may not be the right key!
if skipTypes(result.typ, abstractVar-{tyTypeDesc}).kind in {tyTuple}:
result = implicitConv(nkHiddenStdConv, f, copyTree(arg), m, c)
# BUGFIX: use ``result.typ`` and not `f` here
of isFromIntLit:
# too lazy to introduce another ``*matches`` field, so we conflate
# ``isIntConv`` and ``isIntLit`` here: