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 855cef573ae94a12370492a4da433a39dff37856..674c5907fe7ec2e0de0f3450ca932e459cd90b49 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;
-  int pos_start = -1;
 #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;
-  pos = pos_start;
   GET_NEXT_WCHAR();
-  pos_start = pos;
   next_c_start = next_c;
   str_byte_start = str_byte;
 #ifdef TRE_MBSTATE