regex engine - wrap PL_regnode_arg_len_varies with macro REGNODE_ARG_LEN_VARIES()

Author: demerphq

regcomp.h

@@ -1412,6 +1412,7 @@ typedef enum {
 #define REGNODE_TYPE(arg) PL_regnode_kind[(arg)]
 #define REGNODE_OFF_BY_ARG(node) PL_regnode_of_by_arg[(node)]
 #define REGNODE_ARG_LEN(node) PL_regnode_arg_len[(node)]
+#define REGNODE_ARG_LEN_VARIES(node) PL_regnode_arg_len_varies[(node)]
 
 #if defined(PERL_IN_REGCOMP_C) || defined(PERL_IN_REGEXEC_C)
 #include "reginline.h"

reginline.h

@@ -38,7 +38,7 @@ Perl_regnode_after(pTHX_ const regnode *p, const bool varies)
     const U8 op = OP(p);
     assert(op < REGNODE_MAX);
     const regnode *ret = p + NODE_STEP_REGNODE + REGNODE_ARG_LEN(op);
-    if (varies || PL_regnode_arg_len_varies[op])
+    if (varies || REGNODE_ARG_LEN_VARIES(op))
         ret += STR_SZ(STR_LEN(p));
     return (regnode *)ret;
 }