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[Bug c++/57039] -Wsequence-point missing warning for such case
- From: "egallager at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 21 Aug 2017 17:34:37 +0000
- Subject: [Bug c++/57039] -Wsequence-point missing warning for such case
- Auto-submitted: auto-generated
- References: <bug-57039-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57039
Eric Gallager <egallager at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |diagnostic
Status|UNCONFIRMED |RESOLVED
CC| |egallager at gcc dot gnu.org
Resolution|--- |WORKSFORME
--- Comment #1 from Eric Gallager <egallager at gcc dot gnu.org> ---
I get a -Wsequence-point warning with gcc8:
$ /usr/local/bin/g++ -c -Wall -Wextra -pedantic -Wsequence-point 57039.cc
57039.cc: In function ‘int main(int, char**)’:
57039.cc:5:5: warning: operation on ‘color’ may be undefined [-Wsequence-point]
++color = (color > 3) ? 0 : color;
^~~~~~~
57039.cc:2:31: warning: unused parameter ‘argv’ [-Wunused-parameter]
int main(int argc, char* argv[])
^
$
Was probably FIXED, but I don't have the computing resources for bisection, so
I'll just say WORKSFORME.