[Bug rtl-optimization/83321] [8 Regression] Conditional jump or move depends on uninitialised value in ira.c/ira-color.c

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83321

--- Comment #8 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
Just to be clear:

% ~/gcc/configure --enable-valgrind-annotations --disable-bootstrap
--enable-languages=c,c++

and then building with trunk is enough to reproduce.