Error -> Defect for defects (#13908)

* Error -> Defect for defects

The distinction between Error and Defect is subjective,
context-dependent and somewhat arbitrary, so when looking at an
exception, it's hard to guess what it is - this happens often when
looking at a `raises` list _without_ opening the corresponding
definition and digging through layers of inheritance.

With the help of a little consistency in naming, it's at least possible
to start disentangling the two error types and the standard lib can set
a good example here.
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Jacek Sieka 2020-04-28 19:56:01 +02:00 • committed by GitHub
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@ -191,4 +191,4 @@ proc isObj(obj: PNimType, subclass: cstring): bool {.compilerRtl, inl.} =
proc chckObj(obj: PNimType, subclass: cstring) {.compilerRtl.} =
# checks if obj is of type subclass:
if not isObj(obj, subclass): sysFatal(ObjectConversionError, "invalid object conversion")
if not isObj(obj, subclass): sysFatal(ObjectConversionDefect, "invalid object conversion")