eliminate RF_warned flag from PL_reg_flags

This global flag indicates whether the currently executing regex has
issued a recursion limit warning yet.
Replace it with a boolean var local to the regmatch_info struct.

This is a second step to eliminating PL_reg_flags.

1 files changed, 1 insertions, 0 deletions

diff --git a/regexp.h b/regexp.h
index 035e2bab3b..38633084b3 100644
--- a/regexp.h
+++ b/regexp.h
@@ -576,6 +576,7 @@ typedef struct {
     char *ganch;
     char *cutpoint;
     bool is_utf8_pat;
+    bool warned; /* we have issued a recursion warning; no need for more */
 } regmatch_info;