Update aosp/master Clang for rebase to r275480

Bug: http://b/31320715

This merges commit ac9cc4764cf47a6c3f031687d8592e080c9f5001 from
aosp/dev.

Test: Build AOSP and run RenderScript tests (host tests for slang and
libbcc, RsTest, CTS)

Change-Id: Ic2875e5c3673c83448cd7d1013861e42947b1b55
diff --git a/test/OpenMP/ordered_codegen.cpp b/test/OpenMP/ordered_codegen.cpp
index e77c1be..daa6211 100644
--- a/test/OpenMP/ordered_codegen.cpp
+++ b/test/OpenMP/ordered_codegen.cpp
@@ -224,6 +224,14 @@
 #pragma omp ordered simd
     f[i] = 1.0;
   }
+  // CHECK: store float 0.000000e+00, float* %{{.+}}, align {{[0-9]+}}
+  // CHECK-NEXT: call void [[CAP_FUNC:@.+]](i32* %{{.+}}) #{{[0-9]+}}
+#pragma omp for simd ordered
+  for (int i = low; i < up; ++i) {
+    f[i] = 0.0;
+#pragma omp ordered simd
+    f[i] = 1.0;
+  }
 }
 
 // CHECK: define internal void [[CAP_FUNC]](i32* dereferenceable({{[0-9]+}}) %{{.+}}) #