Local thread_local variables are implicitly 'static'. (This doesn't apply to _Thread_local nor __thread.)

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179517 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 23 insertions, 0 deletions

diff --git a/test/SemaCXX/cxx11-thread-local.cpp b/test/SemaCXX/cxx11-thread-local.cpp
new file mode 100644
index 0000000000..011c886252
--- /dev/null
+++ b/test/SemaCXX/cxx11-thread-local.cpp
@@ -0,0 +1,23 @@
+// RUN: %clang_cc1 -std=c++11 -verify %s
+
+struct S {
+  static thread_local int a;
+  static int b; // expected-note {{here}}
+  thread_local int c; // expected-error {{'thread_local' is only allowed on variable declarations}}
+  static thread_local int d; // expected-note {{here}}
+};
+
+thread_local int S::a;
+thread_local int S::b; // expected-error {{thread-local declaration of 'b' follows non-thread-local declaration}}
+thread_local int S::c; // expected-error {{non-static data member defined out-of-line}}
+int S::d; // expected-error {{non-thread-local declaration of 'd' follows thread-local declaration}}
+
+thread_local int x[3];
+thread_local int y[3];
+thread_local int z[3]; // expected-note {{previous}}
+
+void f() {
+  thread_local int x;
+  static thread_local int y;
+  extern thread_local int z; // expected-error {{redefinition of 'z' with a different type}}
+}