diff --git a/test/FrontendC/2010-08-12-asm-aggr-arg.c b/test/FrontendC/2010-08-12-asm-aggr-arg.c
new file mode 100644
index 0000000..81ec14b
--- /dev/null
+++ b/test/FrontendC/2010-08-12-asm-aggr-arg.c
@@ -0,0 +1,16 @@
+// RUN: %llvmgcc %s -S -O0 -o - | FileCheck %s
+// Radar 8288710: A small aggregate can be passed as an integer.  Make sure
+// we don't get an error with "input constraint with a matching output
+// constraint of incompatible type!" 
+
+struct wrapper {
+  int i;
+};
+
+// CHECK: xyz
+int test(int i) {
+  struct wrapper w;
+  w.i = i;
+  __asm__("xyz" : "=r" (w) : "0" (w));
+  return w.i;
+}