libstdc++: Add explicit dg-do directive to .../103955.cc

libstdc++-v3/ChangeLog:

	* testsuite/20_util/to_chars/103955.cc: Add explicit dg-do
	directive.

diff --git a/libstdc++-v3/testsuite/20_util/to_chars/103955.cc b/libstdc++-v3/testsuite/20_util/to_chars/103955.cc
index 3753c87ad8bd5bed0d596e31261412b2a45a70b1..e7f17f7a9e808a045d9cc5998c354bcdeabaef3a 100644 (file)
--- a/libstdc++-v3/testsuite/20_util/to_chars/103955.cc
+++ b/libstdc++-v3/testsuite/20_util/to_chars/103955.cc
@@ -1,6 +1,7 @@
 // PR libstdc++/103955
 // Verify we don't crash when the floating-point to_chars overloads are passed
 // a large precision argument.
+// { dg-do run { target c++17 } }
 
 #include <charconv>