vbinary and vunary microkernels assert pointers are not NULL

PiperOrigin-RevId: 319614242
diff --git a/src/f32-vbinary/gen/vadd-minmax-avx-x8.c b/src/f32-vbinary/gen/vadd-minmax-avx-x8.c
index 7f68ea1..7dafa92 100644
--- a/src/f32-vbinary/gen/vadd-minmax-avx-x8.c
+++ b/src/f32-vbinary/gen/vadd-minmax-avx-x8.c
@@ -26,6 +26,9 @@
 {
   assert(n != 0);
   assert(n % sizeof(float) == 0);
+  assert(a != NULL);
+  assert(b != NULL);
+  assert(y != NULL);
 
   const __m256 vy_min = _mm256_broadcast_ps((const __m128*) params->sse.min);
   const __m256 vy_max = _mm256_broadcast_ps((const __m128*) params->sse.max);