regex: remove an unused local variable from regexec

pos_start local variable is not used in tre_tnfa_run_backtrack

diff --git a/src/regex/regexec.c b/src/regex/regexec.c
index 855cef5..674c590 100644 (file)
--- a/src/regex/regexec.c
+++ b/src/regex/regexec.c
@@ -596,7 +596,6 @@ tre_tnfa_run_backtrack(const tre_tnfa_t *tnfa, const void *string,
      started from. */
   int next_c_start;
   const char *str_byte_start;
      started from. */
   int next_c_start;
   const char *str_byte_start;

-  int pos_start = -1;

 #ifdef TRE_MBSTATE
   mbstate_t mbstate_start;
 #endif /* TRE_MBSTATE */
 #ifdef TRE_MBSTATE
   mbstate_t mbstate_start;
 #endif /* TRE_MBSTATE */


@@ -676,9 +675,7 @@ tre_tnfa_run_backtrack(const tre_tnfa_t *tnfa, const void *string,
   }
 
   state = NULL;
   }
 
   state = NULL;

-  pos = pos_start;

   GET_NEXT_WCHAR();
   GET_NEXT_WCHAR();

-  pos_start = pos;

   next_c_start = next_c;
   str_byte_start = str_byte;
 #ifdef TRE_MBSTATE
   next_c_start = next_c;
   str_byte_start = str_byte;
 #ifdef TRE_MBSTATE