[PATCH] D30765: Reexport operator new / delete from libc++abi

[Mehdi AMINI via Phabricator via cfe-commits]

mehdi_amini created this revision.

Both libc++ and libc++abi export a weak definition of operator
new/delete. On Darwin, this can often cause dirty __DATA in the
shared cache when having to switch from one to the other. Instead,
libc++ should reexport libc++abi's implementation of these symbols.

Patch by: Ted Kremenek <kremenek at apple.com>


https://reviews.llvm.org/D30765

Files:
  lib/libc++abi2.exp


Index: lib/libc++abi2.exp
===================================================================
--- lib/libc++abi2.exp
+++ lib/libc++abi2.exp
@@ -209,14 +209,14 @@
 __ZNSt20bad_array_new_lengthD0Ev
 __ZNSt20bad_array_new_lengthD2Ev
 __ZSt10unexpectedv
-# __ZdaPv
-# __ZdlPv
-# __ZdlPvRKSt9nothrow_t
-# __Znam
-# __ZdaPvRKSt9nothrow_t
-# __Znwm
-# __ZnwmRKSt9nothrow_t
-# __ZnamRKSt9nothrow_t
+__ZdaPv
+__ZdlPv
+__ZdlPvRKSt9nothrow_t
+__Znam
+__ZdaPvRKSt9nothrow_t
+__Znwm
+__ZnwmRKSt9nothrow_t
+__ZnamRKSt9nothrow_t
 __ZTISt10bad_typeid
 __ZTISt8bad_cast
 ___cxa_bad_typeid


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