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-rw-r--r--lib/regex.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/regex.c b/lib/regex.c
index 5bd4cf654d..e8b588207d 100644
--- a/lib/regex.c
+++ b/lib/regex.c
@@ -4784,6 +4784,7 @@ regcomp (preg, pattern, cflags)
/* regex_compile will allocate the space for the compiled pattern. */
preg->buffer = 0;
preg->allocated = 0;
+ preg->used = 0;
/* Don't bother to use a fastmap when searching. This simplifies the
REG_NEWLINE case: if we used a fastmap, we'd have to put all the