1 files changed, 11 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/warn/pr5310.C b/gcc/testsuite/g++.dg/warn/pr5310.C
new file mode 100644
index 000000000..48a60062f
--- /dev/null
+++ b/gcc/testsuite/g++.dg/warn/pr5310.C
@@ -0,0 +1,11 @@
+// PR 5310
+// { dg-do compile }
+// { dg-options "-pedantic -Wall -Wextra -Wpointer-arith -Wconversion" } 
+void foo (int);
+void foo (long);
+
+void bar()
+{
+   foo ((int)__null);
+   foo ((long)__null);
+}