[test] Fix tests in non-darwin bots.

llvm-svn: 244176
diff --git a/clang/test/Index/c-index-api-loadTU-test.m b/clang/test/Index/c-index-api-loadTU-test.m
index 83ef6e8..29c3739 100644
--- a/clang/test/Index/c-index-api-loadTU-test.m
+++ b/clang/test/Index/c-index-api-loadTU-test.m
@@ -1,4 +1,4 @@
-// RUN: c-index-test -write-pch %t.ast -Xclang -triple -Xclang x86_64-apple-darwin10 -fblocks -x objective-c %s
+// RUN: c-index-test -write-pch %t.ast -arch x86_64 -mmacosx-version-min=10.6 -fblocks -x objective-c %s
 // RUN: c-index-test -test-load-tu %t.ast all > %t 2>&1 && FileCheck --input-file=%t %s
 // REQUIRES: x86-registered-target
 @interface Foo