[Bug regex/15078] regex crash on myanmar script

["bonzini at gnu dot org" <sourceware-bugzilla at sourceware dot org>]

http://sourceware.org/bugzilla/show_bug.cgi?id=15078

--- Comment #1 from Paolo Bonzini <bonzini at gnu dot org> 2013-01-30 10:17:41 UTC ---
valgrind complains:

==10965== Invalid write of size 8
==10965==    at 0x35F8689563: __GI_memset (in /usr/lib64/libc-2.16.so)
==10965==    by 0x35F86CA636: clean_state_log_if_needed (in
/usr/lib64/libc-2.16.so)
==10965==    by 0x35F86D60C6: re_search_internal (in /usr/lib64/libc-2.16.so)
==10965==    by 0x35F86D67E4: re_search_stub (in /usr/lib64/libc-2.16.so)
==10965==    by 0x35F86D7087: re_search (in /usr/lib64/libc-2.16.so)
==10965==    by 0x407B3A: match_regex (regexp.c:252)
==10965==    by 0x406AFB: execute_program (execute.c:1189)
==10965==    by 0x4077BF: process_files (execute.c:1857)
==10965==    by 0x402496: main (sed.c:366)
==10965==  Address 0x4c47fb8 is 0 bytes after a block of size 104 alloc'd
==10965==    at 0x4A08A2E: realloc (vg_replace_malloc.c:662)
==10965==    by 0x35F86CA4B2: extend_buffers (in /usr/lib64/libc-2.16.so)
==10965==    by 0x35F86CA5D2: clean_state_log_if_needed (in
/usr/lib64/libc-2.16.so)
==10965==    by 0x35F86D60C6: re_search_internal (in /usr/lib64/libc-2.16.so)
==10965==    by 0x35F86D67E4: re_search_stub (in /usr/lib64/libc-2.16.so)
==10965==    by 0x35F86D7087: re_search (in /usr/lib64/libc-2.16.so)
==10965==    by 0x407B3A: match_regex (regexp.c:252)
==10965==    by 0x406AFB: execute_program (execute.c:1189)
==10965==    by 0x4077BF: process_files (execute.c:1857)
==10965==    by 0x402496: main (sed.c:366)
==10965==

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