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fixes #451

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This commit is contained in:
Araq 2013-06-04 07:48:46 +02:00
commit 2f5d5e3ba7
2 changed files with 15 additions and 1 deletions
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4
compiler/semstmts.nim
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@ -146,7 +146,9 @@ proc discardCheck(result: PNode) =
if result.typ.kind == tyNil: if result.typ.kind == tyNil:
fixNilType(result) fixNilType(result)
else: else:
localError(result.info, errDiscardValue) var n = result
while n.kind in skipForDiscardable: n = n.lastSon
localError(n.info, errDiscardValue)
proc semIf(c: PContext, n: PNode): PNode = proc semIf(c: PContext, n: PNode): PNode =
result = n result = n

12
tests/reject/tneedsdiscard.nim Normal file
View file

@ -0,0 +1,12 @@
discard """
line: 10
errormsg: "value returned by statement has to be discarded"
"""
proc p =
var f: TFile
echo "hi"
open(f, "arg.txt")
p()