From: Douglas Gregor <dgregor@apple.com>
Date: Fri, 14 Sep 2012 16:38:59 +0000 (+0000)
Subject: Add missing test from r163874.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=867c179ed3b5f338537a84da658ecac25addb9f7;p=clang

Add missing test from r163874.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163910 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/SemaCXX/attr-unused.cpp b/test/SemaCXX/attr-unused.cpp
new file mode 100644
index 0000000000..b74bc915ce
--- /dev/null
+++ b/test/SemaCXX/attr-unused.cpp
@@ -0,0 +1,9 @@
+// RUN: %clang_cc1 -verify -Wunused -Wused-but-marked-unused -fsyntax-only %s
+
+namespace ns_unused { typedef int Int_unused __attribute__((unused)); }
+namespace ns_not_unused { typedef int Int_not_unused; }
+
+void f() {
+  ns_not_unused::Int_not_unused i1; // expected-warning {{unused variable}}
+  ns_unused::Int_unused i0; // expected-warning {{'Int_unused' was marked unused but was used}}
+}