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fix #12094 Use of _ (as var placeholder) inside a template causes XDe… (#20635)

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fix #12094 Use of _ (as var placeholder) inside a template causes XDeclaredButNotUsed
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Bung 2022-10-25 14:43:14 +08:00 • committed by GitHub
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compiler/semstmts.nim
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@ -370,7 +370,8 @@ proc addToVarSection(c: PContext; result: var PNode; orig, identDefs: PNode) =
result.add identDefs
proc isDiscardUnderscore(v: PSym): bool =
if v.name.s == "_":
# template generated underscore symbol name starts with _`gensym
if v.name.s == "_" or v.name.s.startsWith("_`"):
v.flags.incl(sfGenSym)
result = true