[clang-tidy] Mention language version in test explicitly.
"modernize-use-using" check is applicable only to C++11 and later. Spell it out
to avoid relying on default language version.
rdar://problem/47932196
git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@354069 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/clang-tidy/clang-tidy-mac-libcxx.cpp b/test/clang-tidy/clang-tidy-mac-libcxx.cpp
index 153a5d6..d124a34 100644
--- a/test/clang-tidy/clang-tidy-mac-libcxx.cpp
+++ b/test/clang-tidy/clang-tidy-mac-libcxx.cpp
@@ -8,7 +8,7 @@
// RUN: cp -r %S/Inputs/mock-libcxx %t/
//
// Pretend clang is installed beside the mock library that we provided.
-// RUN: echo '[{"directory":"%t","command":"%t/mock-libcxx/bin/clang++ -stdlib=libc++ -target x86_64-apple-darwin -c test.cpp","file":"test.cpp"}]' | sed -e 's/\\/\//g' > %t/compile_commands.json
+// RUN: echo '[{"directory":"%t","command":"%t/mock-libcxx/bin/clang++ -stdlib=libc++ -std=c++11 -target x86_64-apple-darwin -c test.cpp","file":"test.cpp"}]' | sed -e 's/\\/\//g' > %t/compile_commands.json
// RUN: cp "%s" "%t/test.cpp"
// RUN: clang-tidy -header-filter='.*' -system-headers -checks='-*,modernize-use-using' "%t/test.cpp" | FileCheck %s
// CHECK: mock_vector:{{[0-9]+}}:{{[0-9]+}}: warning: use 'using' instead of 'typedef'
