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avoid some compiler crashes in debug mode

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This commit is contained in:
Andreas Rumpf 2017-01-23 10:49:56 +01:00
commit 93068f1ba6
2 changed files with 8 additions and 3 deletions
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7
compiler/vm.nim
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@ -244,7 +244,10 @@ proc pushSafePoint(f: PStackFrame; pc: int) =
if f.safePoints.isNil: f.safePoints = @[]
f.safePoints.add(pc)
proc popSafePoint(f: PStackFrame) = discard f.safePoints.pop()
proc popSafePoint(f: PStackFrame) =
# XXX this needs a proper fix!
if f.safePoints.len > 0:
discard f.safePoints.pop()
proc cleanUpOnException(c: PCtx; tos: PStackFrame):
tuple[pc: int, f: PStackFrame] =
@ -405,7 +408,7 @@ proc recSetFlagIsRef(arg: PNode) =
arg.flags.incl(nfIsRef)
for i in 0 ..< arg.safeLen:
arg.sons[i].recSetFlagIsRef
proc rawExecute(c: PCtx, start: int, tos: PStackFrame): TFullReg =
var pc = start
var tos = tos