[PATCH] light up UBSan for ARMv7

[Richard Smith]

================
Comment at: CMakeLists.txt:219
@@ -220,2 +218,3 @@
   endif()
+  test_target_arch(arm "-march=armv7")
 endif()
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I don't understand what this change is doing: we don't want to run ARM tests if the native arch isn't ARM.

http://reviews.llvm.org/D3794