Disable death tests on platforms which don't support them.

llvm-svn: 160000
diff --git a/clang/unittests/ASTMatchers/ASTMatchersTest.cpp b/clang/unittests/ASTMatchers/ASTMatchersTest.cpp
index 3f7b5ed..98dbecb 100644
--- a/clang/unittests/ASTMatchers/ASTMatchersTest.cpp
+++ b/clang/unittests/ASTMatchers/ASTMatchersTest.cpp
@@ -16,6 +16,7 @@
 namespace clang {
 namespace ast_matchers {
 
+#if GTEST_HAS_DEATH_TEST
 TEST(HasNameDeathTest, DiesOnEmptyName) {
   ASSERT_DEBUG_DEATH({
     DeclarationMatcher HasEmptyName = record(hasName(""));
@@ -29,6 +30,7 @@
     EXPECT_TRUE(notMatches("class X {};", IsDerivedFromEmpty));
   }, "");
 }
+#endif
 
 TEST(NameableDeclaration, MatchesVariousDecls) {
   DeclarationMatcher NamedX = nameableDeclaration(hasName("X"));