Don't build member initializers for zero-length or incomplete arrays,

and don't try to destroy them, either. Fixes
<rdar://problem/10228639>.

llvm-svn: 143584

2 files changed, 26 insertions, 2 deletions

diff --git a/clang/test/CodeGenCXX/constructors.cpp b/clang/test/CodeGenCXX/constructors.cpp
index ec7f06c868a..9e2da31f046 100644
--- a/clang/test/CodeGenCXX/constructors.cpp
+++ b/clang/test/CodeGenCXX/constructors.cpp
@@ -111,7 +111,5 @@ namespace test1 {
   B::B() {}
   // CHECK:    define void @_ZN5test11BC2Ev(
   // CHECK:      [[THIS:%.*]] = load [[B:%.*]]**
-  // CHECK-NEXT: [[A:%.*]] = getelementptr inbounds [[B:%.*]]* [[THIS]], i32 0, i32 1
-  // CHECK-NEXT: [[BEGIN:%.*]] = getelementptr inbounds [0 x {{%.*}}]* [[A]], i32 0, i32 0
   // CHECK-NEXT: ret void
 }
diff --git a/clang/test/SemaCXX/zero-length-arrays.cpp b/clang/test/SemaCXX/zero-length-arrays.cpp
new file mode 100644
index 00000000000..05ded4ad9b3
--- /dev/null
+++ b/clang/test/SemaCXX/zero-length-arrays.cpp
@@ -0,0 +1,26 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+// <rdar://problem/10228639>
+class Foo {
+  ~Foo();
+  Foo(const Foo&);
+public:
+  Foo(int);
+};
+
+class Bar {
+  int foo_count;
+  Foo foos[0];
+  Foo foos2[0][2];
+  Foo foos3[2][0];
+
+public:
+  Bar(): foo_count(0) { }    
+  ~Bar() { }
+};
+
+void testBar() {
+  Bar b;
+  Bar b2(b);
+  b = b2;
+}