diff --git a/src/third_party/llvm-project/clang/test/CodeGenCXX/DynArrayInit.cpp b/src/third_party/llvm-project/clang/test/CodeGenCXX/DynArrayInit.cpp
new file mode 100644
index 0000000..fb865e3
--- /dev/null
+++ b/src/third_party/llvm-project/clang/test/CodeGenCXX/DynArrayInit.cpp
@@ -0,0 +1,15 @@
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -O3 -emit-llvm -o - %s | FileCheck %s
+// PR7490
+
+// CHECK-LABEL: define signext i8 @_Z2f0v
+// CHECK: ret i8 0
+// CHECK: }
+inline void* operator new[](unsigned long, void* __p)  { return __p; }
+static void f0_a(char *a) {
+  new (a) char[4]();
+}
+char f0() {
+  char a[4];
+  f0_a(a);
+  return a[0] + a[1] + a[2] + a[3];
+}