[llvm-bugs] [Bug 35087] Compiler transforming loop into an infinite loop when optimizations are enabled after r316208

Wed Oct 25 17:14:53 PDT 2017

https://bugs.llvm.org/show_bug.cgi?id=35087

Eli Friedman <efriedma at codeaurora.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |INVALID
             Status|NEW                         |RESOLVED
                 CC|                            |efriedma at codeaurora.org

--- Comment #2 from Eli Friedman <efriedma at codeaurora.org> ---
> which is promoted to the next size up from `int` if it won't fit into an `int`.

There is no such promotion.  Integer promotion only affects expressions whose
type is narrower than "int".

See also [expr]p4: "If during the evaluation of an expression, the result is
not mathematically deﬁned or not in the range of representable values for its
type, the behavior is undeﬁned".

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