tag the GetPixPairHash64() function for potential uint roll-over
@@ -194,7 +194,8 @@ void VP8LHashChainClear(VP8LHashChain* const p) {
static const uint32_t kHashMultiplierHi = 0xc6a4a793u;
static const uint32_t kHashMultiplierLo = 0x5bd1e996u;
-static WEBP_INLINE uint32_t GetPixPairHash64(const uint32_t* const argb) {
+static WEBP_UBSAN_IGNORE_UNSIGNED_OVERFLOW WEBP_INLINE
+uint32_t GetPixPairHash64(const uint32_t* const argb) {
uint32_t key;
key = argb[1] * kHashMultiplierHi;
key += argb[0] * kHashMultiplierLo;
