Patch to force synthesis of copy assignment operator

function in the order according to c++03. ir-gen 
for copy assignment in the trivial case and the first
test case.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78938 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 28 insertions, 0 deletions

diff --git a/test/CodeGenCXX/copy-assign-synthesis.cpp b/test/CodeGenCXX/copy-assign-synthesis.cpp
new file mode 100644
index 0000000000..0677ac9bbb
--- /dev/null
+++ b/test/CodeGenCXX/copy-assign-synthesis.cpp
@@ -0,0 +1,28 @@
+// RUN: clang-cc -emit-llvm -o %t %s &&
+// RUN: grep "_ZN1XaSERK1X" %t | count 0
+
+extern "C" int printf(...);
+
+struct X { 
+  X() : d(0.0), d1(1.1), d2(1.2), d3(1.3) {}
+  double d;
+  double d1;
+  double d2;
+  double d3;
+  void pr() {
+    printf("d = %f d1 = %f d2 = %f d3 = %f\n", d, d1,d2,d3);
+  }
+}; 
+
+
+X srcX; 
+X dstX; 
+X dstY; 
+
+int main() {
+  dstY = dstX = srcX;
+  srcX.pr();
+  dstX.pr();
+  dstY.pr();
+}
+