[libc++][C++03] Fix support.dynamic/libcpp_deallocate.sh.cpp

This basically reverts the test changes in #118837.

Author: philnik777

libcxx/test/libcxx-03/language.support/support.dynamic/libcpp_deallocate.sh.cpp

@@ -21,8 +21,6 @@
 // GCC doesn't support the aligned-allocation flags.
 // XFAIL: gcc
 
-// XFAIL: FROZEN-CXX03-HEADERS-FIXME
-
 // RUN: %{build} -faligned-allocation -fsized-deallocation
 // RUN: %{run}
 // RUN: %{build} -faligned-allocation -fno-sized-deallocation -DNO_SIZE
@@ -40,7 +38,7 @@
 
 TEST_DIAGNOSTIC_PUSH
 TEST_CLANG_DIAGNOSTIC_IGNORED("-Wprivate-header")
-#include <__memory/aligned_alloc.h>
+#include <__cxx03/__memory/aligned_alloc.h>
 TEST_DIAGNOSTIC_POP
 
 struct alloc_stats {
@@ -138,42 +136,42 @@ void test_libcpp_dealloc() {
   std::size_t with_size_val   = 2;
 
   {
-    std::__libcpp_deallocate_unsized<char>(static_cast<char*>(p), under_align_val);
+    std::__libcpp_deallocate_unsized(p, under_align_val);
     assert(stats.expect_plain());
   }
   stats.reset();
 
 #if defined(NO_SIZE) && defined(NO_ALIGN)
   {
-    std::__libcpp_deallocate<char>(static_cast<char*>(p), std::__element_count(with_size_val), over_align_val);
+    std::__libcpp_deallocate(p, with_size_val, over_align_val);
     assert(stats.expect_plain());
   }
   stats.reset();
 #elif defined(NO_SIZE)
   {
-    std::__libcpp_deallocate<char>(static_cast<char*>(p), std::__element_count(with_size_val), over_align_val);
+    std::__libcpp_deallocate(p, with_size_val, over_align_val);
     assert(stats.expect_align(over_align_val));
   }
   stats.reset();
 #elif defined(NO_ALIGN)
   {
-    std::__libcpp_deallocate<char>(static_cast<char*>(p), std::__element_count(with_size_val), over_align_val);
+    std::__libcpp_deallocate(p, with_size_val, over_align_val);
     assert(stats.expect_size(with_size_val));
   }
   stats.reset();
 #else
   {
-    std::__libcpp_deallocate<char>(static_cast<char*>(p), std::__element_count(with_size_val), over_align_val);
+    std::__libcpp_deallocate(p, with_size_val, over_align_val);
     assert(stats.expect_size_align(with_size_val, over_align_val));
   }
   stats.reset();
   {
-    std::__libcpp_deallocate_unsized<char>(static_cast<char*>(p), over_align_val);
+    std::__libcpp_deallocate_unsized(p, over_align_val);
     assert(stats.expect_align(over_align_val));
   }
   stats.reset();
   {
-    std::__libcpp_deallocate<char>(static_cast<char*>(p), std::__element_count(with_size_val), under_align_val);
+    std::__libcpp_deallocate(p, with_size_val, under_align_val);
     assert(stats.expect_size(with_size_val));
   }
   stats.reset();