[PATCH] [UBSan][MIPS] Adding support of MIPS64 in UBSan testing

[Alexey Samsonov]

================
Comment at: test/ubsan/TestCases/TypeCheck/misaligned.cpp:103
@@ +102,3 @@
+    // CHECK-x86_64-WILD-NEXT: <memory cannot be printed>
+    // CHECK-mips64-WILD: misaligned.cpp:[[@LINE+3]]:35: runtime error: member access within misaligned address 0x0000000123 for type 'S', which requires 4 byte alignment
+    // CHECK-mips64-WILD-NEXT: 0x0000000123: note: pointer points here
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Hm, let's not overcomplicate things and just use
  0x{{0+}}123
regexp for address.

http://reviews.llvm.org/D6500