Update aosp/master clang for rebase to r256229

http://b/26987366

Change-Id: I5d349c9843ea5c24d6e455956f8a446393b6873d
diff --git a/test/OpenMP/atomic_capture_codegen.cpp b/test/OpenMP/atomic_capture_codegen.cpp
index 12f2f3a..f91da3e 100644
--- a/test/OpenMP/atomic_capture_codegen.cpp
+++ b/test/OpenMP/atomic_capture_codegen.cpp
@@ -2,7 +2,7 @@
 // RUN: %clang_cc1 -fopenmp -x c -triple x86_64-apple-darwin10 -emit-pch -o %t %s
 // RUN: %clang_cc1 -fopenmp -x c -triple x86_64-apple-darwin10 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
 // expected-no-diagnostics
-
+// REQUIRES: x86-registered-target
 #ifndef HEADER
 #define HEADER
 
@@ -72,7 +72,10 @@
 typedef float float2 __attribute__((ext_vector_type(2)));
 float2 float2x;
 
-register int rix __asm__("0");
+// Register "0" is currently an invalid register for global register variables.
+// Use "esp" instead of "0".
+// register int rix __asm__("0");
+register int rix __asm__("esp");
 
 int main() {
 // CHECK: [[PREV:%.+]] = atomicrmw add i8* @{{.+}}, i8 1 monotonic