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Improve UX for unreachable/unimplemented errors (#4094)

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This should replace several "segfaults" and "illegal instruction" errors
with messages that contain a bit more context. I also put in a link to
the bug tracker to make users' lives a bit easier.

For context, `__builtin_unreachable`'s behavior is undefined and is
intended only as a mechanism to help the compiler see that code will not
return. I do still include it in the new code because if I don't,
compilation produces a lot more warnings as it can't see that
`NOT_IMPLEMENTED_YET` and `UNREACHABLE` cannot return.
This commit is contained in:
Daniel Peebles 2020-04-28 19:54:31 -07:00 • committed by GitHub
parent a11dc5d3b5
commit 7e34925035
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4 changed files with 23 additions and 9 deletions
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src/util/error_codes.h
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@ -33,6 +33,7 @@ Revision History:
#define ERR_TYPE_CHECK 111
#define ERR_UNKNOWN_RESULT 112
#define ERR_ALLOC_EXCEEDED 113
#define ERR_UNREACHABLE 114
#endif /* ERROR_CODES_H_ */