It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/C++Frontend/2005-02-14-BitFieldOffset.cpp b/test/C++Frontend/2005-02-14-BitFieldOffset.cpp
new file mode 100644
index 0000000..522e20a
--- /dev/null
+++ b/test/C++Frontend/2005-02-14-BitFieldOffset.cpp
@@ -0,0 +1,11 @@
+// RUN: %llvmgxx %s -S -o - | not grep {i32 6}
+
+struct QVectorTypedData {
+    int size;
+    unsigned int sharable : 1;
+    unsigned short array[1];
+};
+
+void foo(QVectorTypedData *X) {
+  X->array[0] = 123;
+}