Remove asan test for strncat(x, y, 0)


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@372143 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/asan/tests/asan_str_test.cpp b/lib/asan/tests/asan_str_test.cpp
index 50e1ab4..33a38a8 100644
--- a/lib/asan/tests/asan_str_test.cpp
+++ b/lib/asan/tests/asan_str_test.cpp
@@ -454,12 +454,10 @@
   size_t from_size = Ident(20);
   char *from = MallocAndMemsetString(from_size);
   // Normal strncat calls.
-  strncat(to, from, 1);
+  strncat(to, from, 0);
   strncat(to, from, from_size);
   from[from_size - 1] = '\0';
   strncat(to, from, 2 * from_size);
-  // Catenating empty string with an invalid string is still an error.
-  EXPECT_DEATH(strncat(to - 1, from, 0), LeftOOBAccessMessage(1));
   strncat(to, from + from_size - 1, 10);
   // One of arguments points to not allocated memory.
   EXPECT_DEATH(strncat(to - 1, from, 2), LeftOOBAccessMessage(1));