2 files changed, 3 insertions, 3 deletions
diff --git a/clang/lib/Headers/emmintrin.h b/clang/lib/Headers/emmintrin.h
index b2aae8eae92..ee12d3caef9 100644
--- a/clang/lib/Headers/emmintrin.h
+++ b/clang/lib/Headers/emmintrin.h
@@ -468,7 +468,7 @@ _mm_loadu_pd(double const *dp)
 {
   struct __loadu_pd {
     __m128d v;
-  } __attribute__((packed));
+  } __attribute__((packed, may_alias));
   return ((struct __loadu_pd*)dp)->v;
 }
 
@@ -1016,7 +1016,7 @@ _mm_loadu_si128(__m128i const *p)
 {
   struct __loadu_si128 {
     __m128i v;
-  } __attribute__((packed));
+  } __attribute__((packed, may_alias));
   return ((struct __loadu_si128*)p)->v;
 }
 
diff --git a/clang/lib/Headers/xmmintrin.h b/clang/lib/Headers/xmmintrin.h
index f3e9409b85b..50f275dce05 100644
--- a/clang/lib/Headers/xmmintrin.h
+++ b/clang/lib/Headers/xmmintrin.h
@@ -541,7 +541,7 @@ _mm_loadu_ps(const float *p)
 {
   struct __loadu_ps {
     __m128 v;
-  } __attribute__((packed));
+  } __attribute__((packed, may_alias));
   return ((struct __loadu_ps*)p)->v;
 }