Apply ldionne's changes

Author: winner245

libcxx/test/std/containers/sequences/vector.bool/max_call_varying_size_types.pass.cpp renamed to libcxx/test/std/containers/sequences/vector.bool/small_allocator_size.pass.cpp

@@ -11,8 +11,8 @@
 
 // XFAIL: FROZEN-CXX03-HEADERS-FIXME
 
-// This test ensures that the internal call to std::max within vector<bool> is not ambiguous under various size types.
-// Related issue: https://github.com/llvm/llvm-project/issues/121713.
+// This test ensures that std::vector<bool> handles allocator types with small size types
+// properly. Related issue: https://github.com/llvm/llvm-project/issues/121713.
 
 #include <cassert>
 #include <cstddef>