[Bug fortran/57904] [4.9 Regression] Bogus(?) "invokes undefined behavior" warning with Fortran's finalization wrapper (gfortran.dg/class_48.f90)

[bernd.edlinger at hotmail dot de]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57904

Bernd Edlinger <bernd.edlinger at hotmail dot de> changed:

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--- Comment #3 from Bernd Edlinger <bernd.edlinger at hotmail dot de> ---
this is somehow very similar to PR58143.
also here, the warning goes away at -O2 and -Os
if I add -fno-strict-overflow or -ftrapv or -fwrapv...