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-rw-r--r--clang/test/CodeGenCXX/extern-c.cpp16
1 files changed, 16 insertions, 0 deletions
diff --git a/clang/test/CodeGenCXX/extern-c.cpp b/clang/test/CodeGenCXX/extern-c.cpp
new file mode 100644
index 0000000..ca5cd73
--- /dev/null
+++ b/clang/test/CodeGenCXX/extern-c.cpp
@@ -0,0 +1,16 @@
+// RUN: %clang_cc1 -emit-llvm %s -o %t
+namespace foo {
+
+// RUN: not grep "@a = global i32" %t
+extern "C" int a;
+
+// RUN: not grep "@_ZN3foo1bE = global i32" %t
+extern int b;
+
+// RUN: grep "@_ZN3foo1cE = global i32" %t | count 1
+int c = 5;
+
+// RUN: not grep "@_ZN3foo1dE" %t
+extern "C" struct d;
+
+}