[Bug c/63645] Incorrect code generation

[terra at gnome dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63645

--- Comment #15 from M Welinder <terra at gnome dot org> ---
FYI, I filed a related bug for valgrind covering the problem with the
conditional jump being detected as undefined:

    https://bugs.kde.org/show_bug.cgi?id=340392