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-rw-r--r--gcc/testsuite/g++.dg/ext/attrib22.C6
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/ext/attrib22.C b/gcc/testsuite/g++.dg/ext/attrib22.C
new file mode 100644
index 000000000..5304a35d1
--- /dev/null
+++ b/gcc/testsuite/g++.dg/ext/attrib22.C
@@ -0,0 +1,6 @@
+// PR c++/27648
+
+void f()
+{
+ static_cast<float *__attribute((unused))>(0); // { dg-error "expected" }
+}