[Bug sanitizer/55376] [asan] libsanitizer/README.gcc must contain the exact steps to do code changes and to port code from upstream

[konstantin.s.serebryany at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55376

--- Comment #10 from Konstantin Serebryany <konstantin.s.serebryany at gmail dot com> 2012-11-23 12:44:14 UTC ---
libsanitizer/README.gcc was updated, and libsanitizer/merge.sh was create to
help with merges.