Fix up uses of new/terminate/unexpected handlers to use the new getters.

llvm-svn: 120914
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: 816cb8975d91d436da0dd56b8316c69080cb51b3
diff --git a/src/new.cpp b/src/new.cpp
index a3783d4..e0bb734 100644
--- a/src/new.cpp
+++ b/src/new.cpp
@@ -36,8 +36,9 @@
     {
         // If malloc fails and there is a new_handler,
         // call it to try free up memory.
-        if (__new_handler)
-            __new_handler();
+        std::new_handler nh = get_new_handler();
+        if (nh)
+            nh();
         else
 #ifndef _LIBCPP_NO_EXCEPTIONS
             throw std::bad_alloc();