1 files changed, 29 insertions, 0 deletions
diff --git a/test/Layout/itanium-union-bitfield.cpp b/test/Layout/itanium-union-bitfield.cpp
new file mode 100644
index 0000000..b06fd36
--- /dev/null
+++ b/test/Layout/itanium-union-bitfield.cpp
@@ -0,0 +1,29 @@
+// RUN: %clang_cc1 -emit-llvm-only -triple %itanium_abi_triple -fdump-record-layouts %s 2>/dev/null \
+// RUN:            | FileCheck %s
+
+union A {
+  int f1: 3;
+  A();
+};
+
+A::A() {}
+
+union B {
+  char f1: 35;
+  B();
+};
+
+B::B() {}
+
+// CHECK:*** Dumping AST Record Layout
+// CHECK-NEXT:   0 | union A
+// CHECK-NEXT:   0 |   int f1
+// CHECK-NEXT:     | [sizeof=4, dsize=1, align=4
+// CHECK-NEXT:     |  nvsize=1, nvalign=4]
+
+// CHECK:*** Dumping AST Record Layout
+// CHECK-NEXT:   0 | union B
+// CHECK-NEXT:   0 |   char f1
+// CHECK-NEXT:     | [sizeof=8, dsize=5, align=4
+// CHECK-NEXT:     |  nvsize=5, nvalign=4]
+