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diff --git a/gcc/testsuite/gcc.dg/c99-idem-qual-3.c b/gcc/testsuite/gcc.dg/c99-idem-qual-3.c
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+/* Test for idempotent type qualifiers: in C99 only. Test duplicate
+ type qualifiers with array element types. */
+/* Origin: Joseph Myers <jsm@polyomino.org.uk> */
+/* { dg-do compile } */
+/* { dg-options "-std=iso9899:1999 -pedantic-errors" } */
+
+typedef const int cia[2];
+const cia a; /* { dg-bogus "duplicate" "duplicate type qualifier warning" } */
+const cia b[2]; /* { dg-bogus "duplicate" "duplicate type qualifier warning" } */