1 files changed, 29 insertions, 0 deletions
diff --git a/test/LinkerScript/extern-valid.test b/test/LinkerScript/extern-valid.test
new file mode 100644
index 000000000000..764b4668a34f
--- /dev/null
+++ b/test/LinkerScript/extern-valid.test
@@ -0,0 +1,29 @@
+/*
+  RUN: linker-script-test %s | FileCheck %s
+*/
+
+EXTERN(a)
+EXTERN(a b)
+EXTERN(_foo _bar _baz)
+
+/*
+CHECK: kw_extern: EXTERN
+CHECK: l_paren: (
+CHECK: identifier: a
+CHECK: r_paren: )
+CHECK: kw_extern: EXTERN
+CHECK: l_paren: (
+CHECK: identifier: a
+CHECK: identifier: b
+CHECK: r_paren: )
+CHECK: kw_extern: EXTERN
+CHECK: l_paren: (
+CHECK: identifier: _foo
+CHECK: identifier: _bar
+CHECK: identifier: _baz
+CHECK: r_paren: )
+CHECK: eof:
+CHECK: EXTERN(a)
+CHECK: EXTERN(a b)
+CHECK: EXTERN(_foo _bar _baz)
+*/