Add constexpr to test signatures

Author: vinay-deshmukh

libcxx/test/std/containers/associative/map/map.access/at.pass.cpp

@@ -10,8 +10,8 @@
 
 // class map
 
-//       mapped_type& at(const key_type& k); // constexpr since C++26
-// const mapped_type& at(const key_type& k) const; // constexpr since C++26
+// constexpr       mapped_type& at(const key_type& k);       // constexpr since C++26
+// constexpr const mapped_type& at(const key_type& k) const; // constexpr since C++26
 
 #include <cassert>
 #include <map>

libcxx/test/std/containers/associative/map/map.access/empty.pass.cpp

@@ -10,7 +10,7 @@
 
 // class map
 
-// bool empty() const;// constexpr since C++26
+// constexpr bool empty() const; // constexpr since C++26
 
 #include <map>
 #include <cassert>

libcxx/test/std/containers/associative/map/map.access/index_key.pass.cpp

@@ -10,7 +10,7 @@
 
 // class map
 
-// mapped_type& operator[](const key_type& k);// constexpr since C++26
+// constexpr mapped_type& operator[](const key_type& k); // constexpr since C++26
 
 #include <map>
 #include <cassert>

libcxx/test/std/containers/associative/map/map.access/index_rv_key.pass.cpp

@@ -12,7 +12,7 @@
 
 // class map
 
-// mapped_type& operator[](key_type&& k);// constexpr since C++26
+// constexpr mapped_type& operator[](key_type&& k); // constexpr since C++26
 
 #include <map>
 #include <cassert>

libcxx/test/std/containers/associative/map/map.access/index_tuple.pass.cpp

@@ -12,7 +12,7 @@
 
 // class map
 
-// mapped_type& operator[](const key_type& k);// constexpr since C++26
+// constexpr mapped_type& operator[](const key_type& k); // constexpr since C++26
 
 // https://llvm.org/PR16542
 

libcxx/test/std/containers/associative/map/map.access/iterator.pass.cpp

@@ -10,20 +10,20 @@
 
 // class map
 
-//       iterator begin();// constexpr since C++26
-// const_iterator begin() const;// constexpr since C++26
-//       iterator end();// constexpr since C++26
-// const_iterator end()   const;// constexpr since C++26
+// constexpr       iterator begin();       // constexpr since C++26
+// constexpr const_iterator begin() const; // constexpr since C++26
+// constexpr       iterator end();         // constexpr since C++26
+// constexpr const_iterator end()   const; // constexpr since C++26
 //
-//       reverse_iterator rbegin();// constexpr since C++26
-// const_reverse_iterator rbegin() const;// constexpr since C++26
-//       reverse_iterator rend();// constexpr since C++26
-// const_reverse_iterator rend()   const;// constexpr since C++26
+// constexpr reverse_iterator       rbegin();       // constexpr since C++26
+// constexpr const_reverse_iterator rbegin() const; // constexpr since C++26
+// constexpr reverse_iterator       rend();         // constexpr since C++26
+// constexpr const_reverse_iterator rend()   const; // constexpr since C++26
 //
-// const_iterator         cbegin()  const;// constexpr since C++26
-// const_iterator         cend()    const;// constexpr since C++26
-// const_reverse_iterator crbegin() const;// constexpr since C++26
-// const_reverse_iterator crend()   const;// constexpr since C++26
+// constexpr const_iterator         cbegin()  const; // constexpr since C++26
+// constexpr const_iterator         cend()    const; // constexpr since C++26
+// constexpr const_reverse_iterator crbegin() const; // constexpr since C++26
+// constexpr const_reverse_iterator crend()   const; // constexpr since C++26
 
 #include <map>
 #include <cassert>

libcxx/test/std/containers/associative/map/map.access/max_size.pass.cpp

@@ -10,7 +10,7 @@
 
 // class map
 
-// size_type max_size() const;// constexpr since C++26
+// constexpr size_type max_size() const; // constexpr since C++26
 
 #include <cassert>
 #include <limits>

libcxx/test/std/containers/associative/map/map.access/size.pass.cpp

@@ -10,7 +10,7 @@
 
 // class map
 
-// size_type size() const;// constexpr since C++26
+// constexpr size_type size() const; // constexpr since C++26
 
 #include <map>
 #include <cassert>

libcxx/test/std/containers/associative/map/map.cons/alloc.pass.cpp

@@ -10,7 +10,7 @@
 
 // class map
 
-// explicit map(const allocator_type& a); // constexpr since C++26
+// constexpr explicit map(const allocator_type& a); // constexpr since C++26
 
 #include <map>
 #include <cassert>

libcxx/test/std/containers/associative/map/map.cons/assign_initializer_list.pass.cpp

@@ -12,7 +12,7 @@
 
 // class map
 
-// map& operator=(initializer_list<value_type> il);// constexpr since C++26
+// constexpr map& operator=(initializer_list<value_type> il); // constexpr since C++26
 
 #include <map>
 #include <cassert>