(perl #128996) prevent PL_op pointing to freed ops

[perl5.git] / regcomp.c

diff --git a/regcomp.c b/regcomp.c
index 8806c34..634a320 100644 (file)
--- a/regcomp.c
+++ b/regcomp.c
@@ -101,14 +101,6 @@ EXTERN_C const struct regexp_engine my_reg_engine;
 #define        STATIC  static
 #endif
 
-#ifndef MIN
-#define MIN(a,b) ((a) < (b) ? (a) : (b))
-#endif
-
-#ifndef MAX
-#define MAX(a,b) ((a) > (b) ? (a) : (b))
-#endif
-
 /* this is a chain of data about sub patterns we are processing that
    need to be handled separately/specially in study_chunk. Its so
    we can simulate recursion without losing state.  */
@@ -18901,7 +18893,7 @@ Perl_regprop(pTHX_ const regexp *prog, SV *sv, const regnode *o, const regmatch_
 
     PERL_ARGS_ASSERT_REGPROP;
 
-    sv_setpvn(sv, "", 0);
+    sv_setpvs(sv, "");
 
     if (OP(o) > REGNODE_MAX)           /* regnode.type is unsigned */
        /* It would be nice to FAIL() here, but this may be called from