diff --git a/benchmark/dom/statisticalmodel.cpp b/benchmark/dom/statisticalmodel.cpp
index afc81df2e..677876f59 100644
--- a/benchmark/dom/statisticalmodel.cpp
+++ b/benchmark/dom/statisticalmodel.cpp
@@ -50,9 +50,9 @@ simdjson_really_inline void simdjson_process_atom(stat_t &s,
   } else if(element.is<double>()) {
     s.float_count++;
   } else if (element.is<bool>()) {
-    simdjson::error_code err;
     bool v;
-    err = element.get(v);
+    simdjson::error_code error;
+    if ((error = element.get(v))) { std::cerr << error << std::endl; abort(); }
     if (v) {
       s.true_count++;
     } else {
diff --git a/include/simdjson/haswell/intrinsics.h b/include/simdjson/haswell/intrinsics.h
index 801461231..da15dfa6c 100644
--- a/include/simdjson/haswell/intrinsics.h
+++ b/include/simdjson/haswell/intrinsics.h
@@ -41,11 +41,7 @@
 // has it as a macro.
 #ifndef _blsr_u64
 // we roll our own
-SIMDJSON_TARGET_HASWELL
-static simdjson_really_inline uint64_t _blsr_u64(uint64_t n) {
-  return (n - 1) & n;
-}
-SIMDJSON_UNTARGET_HASWELL
+#define _blsr_u64(n) ((n - 1) & n)
 #endif //  _blsr_u64
 #endif // SIMDJSON_CLANG_VISUAL_STUDIO
 
diff --git a/include/simdjson/icelake/intrinsics.h b/include/simdjson/icelake/intrinsics.h
index 31935c0df..e5715f112 100644
--- a/include/simdjson/icelake/intrinsics.h
+++ b/include/simdjson/icelake/intrinsics.h
@@ -37,15 +37,19 @@
 #include <avxintrin.h>
 #include <avx2intrin.h>
 #include <wmmintrin.h>   // for  _mm_clmulepi64_si128
+// Important: we need the AVX-512 headers:
+#include <avx512fintrin.h>
+#include <avx512dqintrin.h>
+#include <avx512cdintrin.h>
+#include <avx512bwintrin.h>
+#include <avx512vlintrin.h>
+#include <avx512vbmiintrin.h>
+#include <avx512vbmi2intrin.h>
 // unfortunately, we may not get _blsr_u64, but, thankfully, clang
 // has it as a macro.
 #ifndef _blsr_u64
 // we roll our own
-SIMDJSON_TARGET_ICELAKE
-static simdjson_really_inline uint64_t _blsr_u64(uint64_t n) {
-  return (n - 1) & n;
-}
-SIMDJSON_UNTARGET_ICELAKE
+#define _blsr_u64(n) ((n - 1) & n)
 #endif //  _blsr_u64
 #endif // SIMDJSON_CLANG_VISUAL_STUDIO