Index: Bitcode/simd_ops/simd_ops.cpp
===================================================================
--- Bitcode/simd_ops/simd_ops.cpp
+++ Bitcode/simd_ops/simd_ops.cpp
@@ -1,5 +1,11 @@
 #include "filter_test_op.h"
 
+#ifdef _MSC_VER
+#include <errno.h>
+#include <malloc.h>
+#define posix_memalign(p, a, s) (((*(p)) = _aligned_malloc((s), (a))), *(p) ?0 :errno)
+#endif
+
 template<typename T>
 T rand_value() {
     return (T)(rand() * 0.125) - 100;
@@ -10,9 +16,13 @@
     printf("%s\n", msg);
 }
 
+// Allocate aligned memory, per recent requirement by the
+// Halide tests updated upstream.
 template<typename T>
 buffer_t make_buffer(int w, int h) {
-    T *mem = new T[w*h];
+    T *mem;
+    int err = posix_memalign((void **)&mem, 128, w*h*sizeof(T));
+
     buffer_t buf = {0};
     buf.host = (uint8_t *)mem;
     buf.extent[0] = w;