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Touch up [[clang::require_constant_initialization]] docs 

* Fix an egregious comma usage.
* Remove the `static` keyword in the example since the variables should have
  external linkage.
* Use C++11 attributes in the example.

llvm-svn: 281712
This commit is contained in:
Eric Fiselier 2016-09-16 10:04:38 +00:00
parent 50d1ded535
commit f9b141d16d
1 changed files with 2 additions and 2 deletions
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4
clang/include/clang/Basic/AttrDocs.td
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@ -843,7 +843,7 @@ This attribute specifies that the variable to which it is attached is intended
to have a `constant initializer <http://en.cppreference.com/w/cpp/language/constant_initialization>`_ to have a `constant initializer <http://en.cppreference.com/w/cpp/language/constant_initialization>`_
according to the rules of [basic.start.static]. The variable is required to according to the rules of [basic.start.static]. The variable is required to
have static or thread storage duration. If the initialization of the variable have static or thread storage duration. If the initialization of the variable
is not a constant initializer, an error will be produced. This attribute may is not a constant initializer an error will be produced. This attribute may
only be used in C++. only be used in C++.
Note that in C++03 strict constant expression checking is not done. Instead Note that in C++03 strict constant expression checking is not done. Instead
@ -862,7 +862,7 @@ of silently falling back on dynamic initialization.
.. code-block:: c++ .. code-block:: c++
// -std=c++14 // -std=c++14
#define SAFE_STATIC __attribute__((require_constant_initialization)) static #define SAFE_STATIC [[clang::require_constant_initialization]]
struct T { struct T {
constexpr T(int) {} constexpr T(int) {}
~T(); // non-trivial ~T(); // non-trivial