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-rw-r--r--gcc/testsuite/gcc.dg/gomp/udr-4.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/gomp/udr-4.c b/gcc/testsuite/gcc.dg/gomp/udr-4.c
new file mode 100644
index 00000000000..3758f91e851
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/gomp/udr-4.c
@@ -0,0 +1,6 @@
+/* { dg-do compile } */
+
+struct S;
+#pragma omp declare reduction (+:struct S:omp_out.s += omp_in.s) /* { dg-error "invalid use of undefined type" } */
+struct S { int s; };
+#pragma omp declare reduction (*:struct S:omp_out.s *= omp_in.s)