g++ is more permissive regarding flexible arrays.

It will accept flexible array in union and also as the sole element of a struct/class.

Fixes rdar://9065507.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127171 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 15 insertions, 1 deletions

diff --git a/test/SemaCXX/flexible-array-test.cpp b/test/SemaCXX/flexible-array-test.cpp
index 95d8bb1aa4..e6c3132801 100644
--- a/test/SemaCXX/flexible-array-test.cpp
+++ b/test/SemaCXX/flexible-array-test.cpp
@@ -51,5 +51,19 @@ class A {
 
 union B {
   int s;
-  char c[]; // expected-error {{field has incomplete type 'char []'}}
+  char c[];
+};
+
+namespace rdar9065507 {
+
+struct StorageBase {
+  long ref_count;
+  unsigned size;
+  unsigned capacity;
 };
+
+struct Storage : StorageBase {
+  int data[];
+};
+
+}