https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84751
--- Comment #3 from Will Schmidt <willschm at gcc dot gnu.org> --- (In reply to Jakub Jelinek from comment #1) > What configure flags for that specially configured gcc? > Can you in a debugger pt whatever tree_operand_hash::hash is called on? > I certainly can't reproduce this with a cross to powerpc64-linux, even under > valgrind it is clear. I just attached the config.log for reference. This environment is .. Power7, BE. (i'll see if I can verify that this does/does not occur in other Power envs shortly.) willschm@bns:~/gcc/generic.noprereqs.noconfig.debug> head config.log This file contains any messages produced by compilers while running configure, to aid debugging if configure makes a mistake. It was created by configure, which was generated by GNU Autoconf 2.64. Invocation command line was $ /home/willschm/gcc/trunk.svn/configure --with-cpu=power7 --with-long-double-128 --prefix=/home/willschm/gcc/install/gnc --disable-bootstrap --enable-languages=c,c++,lto --no-create --no-recursion