testsuite: Add missing <vector> header to test

gcc/testsuite/ChangeLog:

	* g++.dg/torture/pr104601.C: Include <vector>.

diff --git a/gcc/testsuite/g++.dg/torture/pr104601.C b/gcc/testsuite/g++.dg/torture/pr104601.C
index bb56479c74595e65cd78a490e2b664527b843c62..92ad73d47e92dc50ff0007fb43258af135f5d87a 100644 (file)
--- a/gcc/testsuite/g++.dg/torture/pr104601.C
+++ b/gcc/testsuite/g++.dg/torture/pr104601.C
@@ -4,6 +4,7 @@
 
 #include <algorithm>
 #include <optional>
+#include <vector>
 
 inline std::optional<int>
 foo (std::vector<int>::iterator b, std::vector<int>::iterator c,