libstdc++: Add [[nodiscard]] to experimental::randint

Signed-off-by: Jonathan Wakely <jwakely@redhat.com>
libstdc++-v3/ChangeLog:

	* include/experimental/random (experimental::randint): Add
	nodiscard attribute.

diff --git a/libstdc++-v3/include/experimental/random b/libstdc++-v3/include/experimental/random
index 2c2b359..d7431e3 100644 (file)
--- a/libstdc++-v3/include/experimental/random
+++ b/libstdc++-v3/include/experimental/random
@@ -50,6 +50,7 @@ inline namespace fundamentals_v2 {
 
   // 13.2.2.1, Function template randint
   template<typename _IntType>
+    [[__nodiscard__]]
     inline _IntType
     randint(_IntType __a, _IntType __b)
     {