AddressSanitizer: quick fix - undef INT32_MIN etc to avoid macro redefinition

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@151165 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/asan/asan_internal.h b/lib/asan/asan_internal.h
index 8891e3a..a3c6b38 100644
--- a/lib/asan/asan_internal.h
+++ b/lib/asan/asan_internal.h
@@ -68,12 +68,18 @@
 # define __INT64_C(c)  c ## LL
 # define __UINT64_C(c) c ## ULL
 #endif  // __WORDSIZE == 64
-# define INT32_MIN              (-2147483647-1)
-# define INT32_MAX              (2147483647)
-# define UINT32_MAX             (4294967295U)
-# define INT64_MIN              (-__INT64_C(9223372036854775807)-1)
-# define INT64_MAX              (__INT64_C(9223372036854775807))
-# define UINT64_MAX             (__UINT64_C(18446744073709551615))
+#undef INT32_MIN
+#define INT32_MIN              (-2147483647-1)
+#undef INT32_MAX
+#define INT32_MAX              (2147483647)
+#undef UINT32_MAX
+#define UINT32_MAX             (4294967295U)
+#undef INT64_MIN
+#define INT64_MIN              (-__INT64_C(9223372036854775807)-1)
+#undef INT64_MAX
+#define INT64_MAX              (__INT64_C(9223372036854775807))
+#undef UINT64_MAX
+#define UINT64_MAX             (__UINT64_C(18446744073709551615))
 
 #define ASAN_DEFAULT_FAILURE_EXITCODE 1