http://llvm.org/bugs/show_bug.cgi?id=20616
Bug ID: 20616
Summary: shared_ptr does not compile with fancy pointer
allocators
Product: libc++
Version: unspecified
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P
Component: All Bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
The implementation of allocate_shared currently assumes that
allocator_traits<_Alloc>::pointer is a native pointer, and thus doesn't compile
with fancy pointers.
I believe all that's needed is to replace "__hold2.get()" by
"_VSTD::addressof(*__hold2.get())" in a few places (e.g. memory:4289 and
memory:4292, maybe also for the _LIBCPP_HAS_NO_VARIADICS versions.
A few quick tests suggest that with those fixes you can use allocate_shared and
also the allocator constructor with fancy pointer allocators.
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