Check in LLVM r95781.
diff --git a/test/CodeGen/blocks-aligned-byref-variable.c b/test/CodeGen/blocks-aligned-byref-variable.c
new file mode 100644
index 0000000..79ac41d
--- /dev/null
+++ b/test/CodeGen/blocks-aligned-byref-variable.c
@@ -0,0 +1,19 @@
+// RUN: %clang_cc1 -emit-llvm -o - -triple x86_64-apple-darwin10
+// RUN: %clang_cc1 -emit-llvm -o - -triple i386-apple-darwin10
+typedef int __attribute__((aligned(32))) ai;
+
+void f() {
+ __block ai a = 10;
+
+ ^{
+ a = 20;
+ }();
+}
+
+void g() {
+ __block double a = 10;
+
+ ^{
+ a = 20;
+ }();
+}