On Mon, Oct 27, 2014 at 2:37 AM, Richard Biener <richard.guent...@gmail.com> wrote: > On October 27, 2014 1:49:54 AM CET, David Edelsohn <dje....@gmail.com> wrote: >>Richi, >> >>Does genmatch rely on static constructors or implicitly rely on the >>order of static constructors? Sometimes those cause problems on AIX. > > No, it doesn't. > >>Bootstrap on AIX succeeds prior to r216631, e.g., r216624. It works >>after your commit r216619 to correct Makefile.in, or prior to that by >>manually editing Makefile.in to add LIBICONV and LIBINTL. > > OK, so this would mean that r216631 causes a miscompile for you. Though that > does not match up with you seeing this happening during stage1... > > Bah. > > The place where it is looping is using std::map <std::string, unsigned>. > > Does -static-libstdc++ work for you host compilers? > > Can you try emptying gcc/match.pd for a non-working rev.?
I am trying a bootstrap with an empty match.pd as a short-term work-around to allow me to continue bootstrapping and testing GCC trunk on AIX while we debug this. - David