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fixes #2909

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Araq 2015-06-15 00:56:20 +02:00
commit 8d39669233
6 changed files with 71 additions and 37 deletions
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lib/system/arithm.nim
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@ -18,7 +18,7 @@ proc raiseDivByZero {.compilerproc, noinline.} =
sysFatal(DivByZeroError, "division by zero")
when defined(builtinOverflow):
# Builtin compiler functions for improved performance
# Builtin compiler functions for improved performance
when sizeof(clong) == 8:
proc addInt64Overflow[T: int64|int](a, b: T, c: var T): bool {.
importc: "__builtin_saddl_overflow", nodecl, nosideeffect.}