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-rw-r--r--test/Parser/struct-recursion.c11
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diff --git a/test/Parser/struct-recursion.c b/test/Parser/struct-recursion.c
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+// RUN: clang-cc %s -fsyntax-only
+
+// C99 6.7.2.3p11
+
+// mutually recursive structs
+struct s1 { struct s2 *A; };
+struct s2 { struct s1 *B; };
+
+// both types are complete now.
+struct s1 a;
+struct s2 b;
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