Add command line flag --max-threads=<integer> to increase the number of
threads that valgrind can handle. No recompile is needed. 
Part of fixing BZ #337869.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14932 a5019735-40e9-0310-863c-91ae7b9d1cf9
17 files changed