1 files changed, 16 insertions, 0 deletions
diff --git a/clang/test/Sema/decl-type-merging.c b/clang/test/Sema/decl-type-merging.c
new file mode 100644
index 00000000000..89bc4944750
--- /dev/null
+++ b/clang/test/Sema/decl-type-merging.c
@@ -0,0 +1,16 @@
+// RUN: clang -fsyntax-only -std=c99 -verify -pedantic %s
+
+int x[10];
+int x[] = {1,2,3};
+int testx[(sizeof(x) == sizeof(int) * 10) ? 1 : -1];
+
+int (*a)(int (*x)[10], int (*y)[]);
+int (*a)(int (*x)[], int (*y)[5]);
+int b() {
+int x[10], y[5];
+a(&x, &y);
+a(&y, &y); // expected-warning {{incompatible pointer}}
+a(&x, &x); // expected-warning {{incompatible pointer}}
+}
+
+