1 files changed, 13 insertions, 0 deletions
diff --git a/clang/test/Modules/on-demand-macros.m b/clang/test/Modules/on-demand-macros.m
new file mode 100644
index 0000000..2b8c545
--- /dev/null
+++ b/clang/test/Modules/on-demand-macros.m
@@ -0,0 +1,13 @@
+// RUN: rm -rf %t
+// RUN: %clang_cc1 -fmodules -fmodule-cache-path %t -F %S/Inputs -DFOO_RETURNS_INT_PTR -verify %s
+// RUN: %clang_cc1 -fmodules -fmodule-cache-path %t -F %S/Inputs -verify %s
+
+@__experimental_modules_import CmdLine;
+
+void test() {
+#ifdef FOO_RETURNS_INT_PTR
+  int *ip = foo();
+#else
+  float *fp = foo();
+#endif
+}