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Document what's experimental about __attribute__((enable_if)). PR20392 

llvm-svn: 215806
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Nick Lewycky 2014-08-16 02:09:42 +00:00
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clang/docs/AttributeReference.rst
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@ -236,6 +236,11 @@ enable_if
"X","","",""
.. Note:: Some features of this attribute are experimental. The meaning of
multiple enable_if attributes on a single declaration is subject to change in
a future version of clang. Also, the ABI is not standardized and the mangled
name produced may change. To avoid that, use asm labels.
The ``enable_if`` attribute can be placed on function declarations to control
which overload is selected based on the values of the function's arguments.
When combined with the ``overloadable`` attribute, this feature is also