https://gcc.gnu.org/bugzilla/show_bug.cgi?id=36823
Martin Sebor <msebor at gcc dot gnu.org> changed:
What |Removed |Added
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Last reconfirmed|2009-02-09 15:35:38 |2019-2-24
CC| |msebor at gcc dot gnu.org
--- Comment #4 from Martin Sebor <msebor at gcc dot gnu.org> ---
GCC 7, 8 and 9 do warn at -O1 but not at -O2. The last version on Godbolt to
warn at -O2 was 4.1 (I don't have access to the bisection machine so I can't
tell where this problem was introduced).