Update Clang for rebase to r212749.
This also fixes a small issue with arm_neon.h not being generated always.
Includes a cherry-pick of:
r213450 - fixes mac-specific header issue
r213126 - removes a default -Bsymbolic on Android
Change-Id: I2a790a0f5d3b2aab11de596fc3a74e7cbc99081d
diff --git a/test/Modules/cxx-decls.cpp b/test/Modules/cxx-decls.cpp
index 49ba834..5498b47 100644
--- a/test/Modules/cxx-decls.cpp
+++ b/test/Modules/cxx-decls.cpp
@@ -1,5 +1,6 @@
// RUN: rm -rf %t
// RUN: %clang_cc1 -x objective-c++ -fmodules -fmodules-cache-path=%t -I %S/Inputs %s -verify -std=c++11
+// RUN: %clang_cc1 -x objective-c++ -fmodules -fmodules-cache-path=%t -I %S/Inputs %s -ast-dump -ast-dump-filter merge -std=c++11 | FileCheck %s
// expected-no-diagnostics
@@ -26,3 +27,10 @@
static_assert(!__has_trivial_constructor(HasNontrivialDefaultConstructor), "");
void use_implicit_new_again() { operator new[](3); }
+
+int importMergeUsedFlag = getMergeUsedFlag();
+
+@import cxx_decls_merged;
+
+// CHECK: VarDecl [[mergeUsedFlag:0x[0-9a-f]*]] {{.*}} in cxx_decls.imported used mergeUsedFlag
+// CHECK: VarDecl {{0x[0-9a-f]*}} prev [[mergeUsedFlag]] {{.*}} in cxx_decls_merged used mergeUsedFlag