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fixes #5419

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This commit is contained in:
Andreas Rumpf 2017-02-23 19:47:09 +01:00
commit 22789a0bfc
4 changed files with 35 additions and 1 deletions
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6
compiler/semgnrc.nim
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@ -174,7 +174,11 @@ proc semGenericStmt(c: PContext, n: PNode,
# XXX for example: ``result.add`` -- ``add`` needs to be looked up here...
var dummy: bool
result = fuzzyLookup(c, n, flags, ctx, dummy)
of nkEmpty, nkSym..nkNilLit:
of nkSym:
let a = n.sym
let b = getGenSym(c, a)
if b != a: n.sym = b
of nkEmpty, succ(nkSym)..nkNilLit:
# see tests/compile/tgensymgeneric.nim:
# We need to open the gensym'ed symbol again so that the instantiation
# creates a fresh copy; but this is wrong the very first reason for gensym