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Subject: [Bug middle-end/61677] False positive with -Wmaybe-uninitialized (test case included)
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D61677

--- Comment #3 from Manuel L=C3=B3pez-Ib=C3=A1=C3=B1ez <manu at gcc dot gnu=
.org> ---
Perhaps related to PR61409 or PR56574.
>>From gcc-bugs-return-455584-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Thu Jul 03 15:34:07 2014
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Subject: [Bug c/61689] Assignment and Operator not working as intended.
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61689

--- Comment #2 from wmichaelv at hotmail dot com ---
(In reply to Marek Polacek from comment #1)
> The program has undefined behaviour; an assignment is not a sequence point. 
> See what -Wsequence-point says.

According to the order operation, grouping should be calculated first before
add, subtract, division, and multiplication, and assignment. And the
associativity of assignment is from right to left.