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fixes #3836

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This commit is contained in:
Andreas Rumpf 2016-03-04 22:18:58 +01:00
commit 00c4861208
1 changed files with 7 additions and 4 deletions
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11
compiler/sigmatch.nim
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@ -1589,8 +1589,11 @@ proc matchesAux(c: PContext, n, nOrig: PNode,
m.state = csNoMatch
return
if containsOrIncl(marker, formal.position):
# already in namedParams:
localError(n.sons[a].info, errCannotBindXTwice, formal.name.s)
# already in namedParams, so no match
# we used to produce 'errCannotBindXTwice' here but see
# bug #3836 of why that is not sound (other overload with
# different parameter names could match later on):
when false: localError(n.sons[a].info, errCannotBindXTwice, formal.name.s)
m.state = csNoMatch
return
m.baseTypeMatch = false
@ -1647,8 +1650,8 @@ proc matchesAux(c: PContext, n, nOrig: PNode,
return
formal = m.callee.n.sons[f].sym
if containsOrIncl(marker, formal.position) and container.isNil:
# already in namedParams:
localError(n.sons[a].info, errCannotBindXTwice, formal.name.s)
# already in namedParams: (see above remark)
when false: localError(n.sons[a].info, errCannotBindXTwice, formal.name.s)
m.state = csNoMatch
return
m.baseTypeMatch = false