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make vmgen more robust in the context of 'nim check'

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Araq 2016-12-31 01:46:50 +01:00
commit 6f260dd45c
1 changed files with 3 additions and 2 deletions
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5
compiler/vmgen.nim
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@ -261,8 +261,9 @@ proc gen(c: PCtx; n: PNode; flags: TGenFlags = {}) =
proc genx(c: PCtx; n: PNode; flags: TGenFlags = {}): TRegister =
var tmp: TDest = -1
gen(c, n, tmp, flags)
internalAssert tmp >= 0
result = TRegister(tmp)
#internalAssert tmp >= 0 # 'nim check' does not like this internalAssert.
if tmp >= 0:
result = TRegister(tmp)
proc clearDest(c: PCtx; n: PNode; dest: var TDest) {.inline.} =
# stmt is different from 'void' in meta programming contexts.