1 files changed, 8 insertions, 0 deletions
diff --git a/test/Modules/system_headers.m b/test/Modules/system_headers.m
new file mode 100644
index 0000000000000..39b13ca5fc4a1
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+++ b/test/Modules/system_headers.m
@@ -0,0 +1,8 @@
+// Test that system-headerness works for building modules.
+
+// RUN: rm -rf %t
+// RUN: %clang_cc1 -fmodules -fmodules-cache-path=%t/cache -isystem %S/Inputs -pedantic -Werror %s -verify
+// expected-no-diagnostics
+
+@import warning;
+int i = bigger_than_int;