PR 16469 is a 3.4.1 bootstrap failure on mips-sgi-irix5.3. The problem
is that the "find" command in libstdc++-v3/scripts/create_testsuite_files
doesn't have an explicit -print argument, and IRIX 5.3 seems to be one
of those OSes where -print isn't implied. The "exit 1" seen in the
patch then triggers, which causes configure to abort.
I'd install this as obvious if it was just needed on mainline, but I'm
not sure of the rules about the branch, sssoooo...
Bootstrapped & regression tested on i686-pc-linux-gnu (C, C++ only).
OK for mainline and branch?