1 files changed, 14 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/20_util/from_chars/pr105324.cc b/libstdc++-v3/testsuite/20_util/from_chars/pr105324.cc
new file mode 100644
index 00000000000..cecb17e41cc
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/from_chars/pr105324.cc
@@ -0,0 +1,14 @@
+// { dg-do run { target c++17 } }
+
+#include <charconv>
+#include <string>
+
+int main()
+{
+  // PR libstdc++/105324
+  // std::from_chars() assertion at floating_from_chars.cc:78
+  std::string s(512, '1');
+  s[1] = '.';
+  long double d;
+  std::from_chars(s.data(), s.data() + s.size(), d);
+}