std.cfg: Added support for std::uncaught_exception(). (danmar#7183)

Reference: https://en.cppreference.com/w/cpp/error/uncaught_exception

---------

Co-authored-by: Oliver Stöneberg <[email protected]>

Author: orbitcowboy

cfg/std.cfg

@@ -8780,6 +8780,23 @@ initializer list (7) string& replace (const_iterator i1, const_iterator i2, init
     <use-retval/>
     <returnValue type="const char *"/>
   </function>
+  <!-- https://en.cppreference.com/w/cpp/error/uncaught_exception -->
+  <!-- (until C++11):                                          bool std::uncaught_exception() throw();  -->
+  <!-- (since C++11) (deprecated in C++17) (removed in C++20): bool std::uncaught_exception() noexcept; -->
+  <function name="std::uncaught_exception">
+    <noreturn>false</noreturn>
+    <returnValue type="bool"/>
+    <use-retval/>
+    <leak-ignore/>
+  </function>
+  <!-- https://en.cppreference.com/w/cpp/error/uncaught_exception -->
+  <!-- (since C++17) (constexpr since C++26): int std::uncaught_exceptions() noexcept; -->
+  <function name="std::uncaught_exceptions">
+    <noreturn>false</noreturn>
+    <returnValue type="int"/>
+    <use-retval/>
+    <leak-ignore/>
+  </function>
   <memory>
     <alloc init="false" buffer-size="malloc">malloc,std::malloc</alloc>
     <alloc init="true" buffer-size="calloc">calloc,std::calloc</alloc>