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from 5962bd2 New obstack_next_free is not an lvalue new 65c8939 Correct libvtv obstack use new f652843 Update libsanitizer obstack interceptors new 1ed1385 Copy gnulib obstack files new d843131 Modify obstack.[hc] to avoid having to include other gnulib files new c59881a Silence obstack.c -Wc++compat warning new 55b8da6 Configury changes for obstack optimization

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Summary of changes: include/ChangeLog | 10 + include/obstack.h | 910 ++++++++++----------- libiberty/ChangeLog | 27 + libiberty/configure | 58 ++ libiberty/configure.ac | 1 + libiberty/obstack.c | 570 +++++-------- libiberty/obstacks.texi | 257 +++--- libsanitizer/ChangeLog | 18 + libsanitizer/Makefile.in | 1 + libsanitizer/asan/Makefile.am | 2 +- libsanitizer/asan/Makefile.in | 3 +- libsanitizer/configure | 38 +- libsanitizer/configure.ac | 24 + libsanitizer/interception/Makefile.in | 1 + libsanitizer/libbacktrace/Makefile.in | 1 + libsanitizer/lsan/Makefile.in | 1 + libsanitizer/sanitizer_common/Makefile.in | 1 + .../sanitizer_common_interceptors.inc | 14 +- libsanitizer/tsan/Makefile.am | 2 +- libsanitizer/tsan/Makefile.in | 3 +- libsanitizer/ubsan/Makefile.in | 1 + libvtv/ChangeLog | 5 + libvtv/vtv_malloc.cc | 7 +- 23 files changed, 1007 insertions(+), 948 deletions(-)