commit 61a8495e1e0485bd40f613004bf29f8a925ab37c
author Andrew Top <aabtop@google.com> Tue Apr 30 15:07:33 2019 -0700
committer Andrew Top <aabtop@google.com> Thu May 02 17:06:51 2019 -0700
tree 8b4860759d8854c2c58b6db4cf3ad2bf3f68aa5c
parent 193dc3d54bfe1fcc7a4d95650f8e9f2c8d9e7d1e

Import Cobalt 19.master.0.203780

Includes the following patches:
  https://cobalt-review.googlesource.com/c/cobalt/+/5210
    by errong.leng@samsung.com
  https://cobalt-review.googlesource.com/c/cobalt/+/5270
    by linus.wang@samsung.com

src/third_party/llvm-project/clang/test/CodeGenCXX/threadsafe-statics.cpp

diff --git a/src/third_party/llvm-project/clang/test/CodeGenCXX/threadsafe-statics.cpp b/src/third_party/llvm-project/clang/test/CodeGenCXX/threadsafe-statics.cpp
new file mode 100644
index 0000000..7cb7003
--- /dev/null
+++ b/src/third_party/llvm-project/clang/test/CodeGenCXX/threadsafe-statics.cpp
@@ -0,0 +1,27 @@
+// RUN: %clang_cc1 -emit-llvm -triple=x86_64-apple-darwin10 -o - %s | FileCheck -check-prefix=WITH-TSS %s
+// RUN: %clang_cc1 -emit-llvm -triple=x86_64-apple-darwin10 -o - %s -fno-threadsafe-statics | FileCheck -check-prefix=NO-TSS %s
+
+int f();
+
+// WITH-TSS: @_ZZ1gvE1a = internal global i32 0, align 4
+// WITH-TSS: @_ZGVZ1gvE1a = internal global i64 0
+
+// WITH-TSS: define void @_Z1gv() [[NUW:#[0-9]+]]
+// WITH-TSS: call i32 @__cxa_guard_acquire
+// WITH-TSS: call void @__cxa_guard_release
+// WITH-TSS: ret void
+void g() { 
+  static int a = f();
+}
+
+// NO-TSS: @_ZZ1gvE1a = internal global i32 0, align 4
+// NO-TSS: @_ZGVZ1gvE1a = internal global i8 0
+
+// NO-TSS: define void @_Z1gv() [[NUW:#[0-9]+]]
+// NO-TSS-NOT: call i32 @__cxa_guard_acquire
+// NO-TSS-NOT: call void @__cxa_guard_release
+// NO-TSS: ret void
+
+// WITH-TSS: attributes [[NUW]] = { noinline nounwind{{.*}} }
+
+// NO-TSS: attributes [[NUW]] = { noinline nounwind{{.*}} }