1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/Wcxx-compat-17.c b/gcc/testsuite/gcc.dg/Wcxx-compat-17.c
new file mode 100644
index 000000000..78760d641
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/Wcxx-compat-17.c
@@ -0,0 +1,21 @@
+/* { dg-do compile } */
+/* { dg-options "-Wc++-compat" } */
+const int v1;			/* { dg-warning "invalid in C\[+\]\[+\]" } */
+const char * const v2;		/* { dg-warning "invalid in C\[+\]\[+\]" } */
+struct s { int f1; int f2; };
+const struct s v3;		/* { dg-warning "invalid in C\[+\]\[+\]" } */
+const int v4 = 1;
+const char * const v5 = 0;
+const struct s v6 = { 0, 0 };
+const struct s v7 = { 0 };
+void
+f()
+{
+  const int v11;		/* { dg-warning "invalid in C\[+\]\[+\]" } */
+  const char * const v12;	/* { dg-warning "invalid in C\[+\]\[+\]" } */
+  const struct s v13;		/* { dg-warning "invalid in C\[+\]\[+\]" } */
+  const int v14 = 1;
+  const char * const v15 = 0;
+  const struct s v16 = { 0, 0 };
+  const struct s v17 = { 0 };
+}