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-rw-r--r--gcc/testsuite/g++.dg/ext/builtin9.C3
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/ext/builtin9.C b/gcc/testsuite/g++.dg/ext/builtin9.C
new file mode 100644
index 00000000000..6b2b712deab
--- /dev/null
+++ b/gcc/testsuite/g++.dg/ext/builtin9.C
@@ -0,0 +1,3 @@
+// PR c++/21619
+// { dg-options "" }
+int f[__builtin_constant_p(&"Hello"[0])?1:-1];