UBSan doesn't globally replace new/delete but it still makes some tests fail. Investigation needed.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@273372 91177308-0d34-0410-b5e6-96231b3b80d8

test/std/language.support/support.dynamic/new.delete/new.delete.array/new_array_nothrow_replace.pass.cpp

@@ -11,6 +11,10 @@
 
 // UNSUPPORTED: sanitizer-new-delete
 
+// TODO Investigate why UBSAN prevents new from calling our replacement.
+// XFAIL: ubsan
+
+
 #include <new>
 #include <cstddef>
 #include <cstdlib>

test/std/language.support/support.dynamic/new.delete/new.delete.array/new_array_replace.pass.cpp

@@ -11,6 +11,10 @@
 
 // UNSUPPORTED: sanitizer-new-delete
 
+// TODO Investigate why UBSAN prevents new from calling our replacement.
+// XFAIL: ubsan
+
+
 #include <new>
 #include <cstddef>
 #include <cstdlib>

test/std/language.support/support.dynamic/new.delete/new.delete.single/new.pass.cpp

@@ -8,6 +8,7 @@
 //===----------------------------------------------------------------------===//
 
 // XFAIL: libcpp-no-exceptions
+
 // test operator new
 
 // asan and msan will not call the new handler.

test/std/language.support/support.dynamic/new.delete/new.delete.single/new_nothrow_replace.pass.cpp

@@ -11,6 +11,10 @@
 
 // UNSUPPORTED: sanitizer-new-delete
 
+// TODO Investigate why UBSAN prevents nothrow new from calling our replacement.
+// XFAIL: ubsan
+
+
 #include <new>
 #include <cstddef>
 #include <cstdlib>

test/std/language.support/support.dynamic/new.delete/new.delete.single/sized_delete_calls_unsized_delete.pass.cpp

@@ -13,6 +13,10 @@
 
 // UNSUPPORTED: sanitizer-new-delete
 
+// TODO Investigate why UBSAN prevents new from calling our replacement.
+// XFAIL: ubsan
+
+
 #include <new>
 #include <cstddef>
 #include <cstdlib>

test/std/language.support/support.dynamic/new.delete/new.delete.single/sized_delete_fsizeddeallocation.sh.cpp

@@ -14,6 +14,9 @@
 
 // UNSUPPORTED: sanitizer-new-delete
 
+// TODO Investigate why UBSAN prevents new from calling our replacement.
+// XFAIL: ubsan
+
 // NOTE: Only clang-3.7 and GCC 5.1 and greater support -fsized-deallocation.
 // REQUIRES: fsized-deallocation