In addition to in-class member functions marked with the "used"

attribute, we also care about those with the "constructor"
attribute. Fixes PR6521.

llvm-svn: 126055

1 files changed, 12 insertions, 0 deletions

diff --git a/clang/test/CodeGenCXX/constructor-attr.cpp b/clang/test/CodeGenCXX/constructor-attr.cpp
new file mode 100644
index 00000000000..691795f7761
--- /dev/null
+++ b/clang/test/CodeGenCXX/constructor-attr.cpp
@@ -0,0 +1,12 @@
+// RUN: %clang_cc1 -emit-llvm -o - %s | FileCheck %s
+
+// CHECK: @llvm.global_ctors
+
+// PR6521
+void bar();
+struct Foo {
+  // CHECK: define linkonce_odr void @_ZN3Foo3fooEv
+  static void foo() __attribute__((constructor)) {
+    bar();
+  }
+};