https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51309
Eric Gallager <egallager at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED CC| |egallager at gcc dot gnu.org Resolution|--- |WORKSFORME --- Comment #1 from Eric Gallager <egallager at gcc dot gnu.org> --- I can't seem to reproduce the warning; all of these are silent: $ /usr/local/bin/gcc -Wstrict-overflow -O2 -S u.c $ /usr/local/bin/gcc -Wstrict-overflow=1 -O2 -S u.c $ /usr/local/bin/gcc -Wstrict-overflow=2 -O2 -S u.c $ /usr/local/bin/gcc -Wstrict-overflow=3 -O2 -S u.c $ /usr/local/bin/gcc -Wstrict-overflow=4 -O2 -S u.c $ /usr/local/bin/gcc -Wstrict-overflow=5 -O2 -S u.c $ /usr/local/bin/gcc -Wstrict-overflow -O1 -S u.c $ /usr/local/bin/gcc -Wstrict-overflow -O0 -S u.c $ /usr/local/bin/gcc -Wstrict-overflow -Os -S u.c $ /usr/local/bin/gcc -Wstrict-overflow -Og -S u.c $ /usr/local/bin/gcc -Wstrict-overflow -O3 -S u.c $ /usr/local/bin/gcc -Wstrict-overflow -Ofast -S u.c And seeing as -Wstrict-overflow is being considered for deprecation in the next release of GCC anyways, I think I can close this.