Use the search->matches_mask instead of a temporary mask variable.

Author: samyron

ext/json/ext/generator/generator.c

@@ -359,12 +359,10 @@ static inline unsigned char search_escape_basic_neon(search_state *search)
     * have at least one byte that needs to be escaped.
     */
 
-    uint64_t mask = 0;
-    if (string_scan_simd_neon(&search->ptr, search->end, &mask)) {
+    if (string_scan_simd_neon(&search->ptr, search->end, &search->matches_mask)) {
         search->has_matches = true;
         search->chunk_base = search->ptr;
         search->chunk_end = search->ptr + sizeof(uint8x16_t);
-        search->matches_mask = mask;
         return neon_next_match(search);
     }
 
@@ -444,12 +442,10 @@ static inline TARGET_SSE2 FORCE_INLINE unsigned char search_escape_basic_sse2(se
         }
     }
 
-    int mask = 0;
-    if (string_scan_simd_sse2(&search->ptr, search->end, &mask)) {
+    if (string_scan_simd_sse2(&search->ptr, search->end, &search->matches_mask)) {
         search->has_matches = true;
         search->chunk_base = search->ptr;
         search->chunk_end = search->ptr + sizeof(__m128i);
-        search->matches_mask = mask;
         return sse2_next_match(search);
     }