Diagnose that ivars in current and super class may not
be duplicates and a test case.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61068 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/SemaObjC/duplicate-ivar-check.m b/test/SemaObjC/duplicate-ivar-check.m
new file mode 100644
index 0000000..ea42e9e
--- /dev/null
+++ b/test/SemaObjC/duplicate-ivar-check.m
@@ -0,0 +1,20 @@
+// RUN: clang -fsyntax-only -verify %s
+
+@interface B1 {
+@public
+ double fill_B; // expected-note {{previous definition is here}}
+}
+@end
+
+@interface B : B1 {
+@public
+ int one; // expected-note {{previous definition is here}}
+ int one; // expected-error {{duplicate member 'one'}}
+}
+@end
+
+@interface A : B {
+@public
+ int fill_B; // expected-error {{duplicate member 'fill_B'}}
+}
+@end