5 files changed, 62 insertions, 0 deletions
diff --git a/test/Modules/Inputs/merge-decl-context/a.h b/test/Modules/Inputs/merge-decl-context/a.h
new file mode 100644
index 0000000..89cc712
--- /dev/null
+++ b/test/Modules/Inputs/merge-decl-context/a.h
@@ -0,0 +1,24 @@
+#ifndef A_H
+#define A_H
+
+template <typename T>
+struct A {
+  template <typename I>
+  A(I i1, I i2) {
+  }
+  A(double) {}
+  A(double, double) {}
+  A(double, int) {}
+  A(int, double) {}
+};
+
+template <typename T1, typename T2>
+T1 fff(T2* t) {
+  return T1(t, t);
+}
+
+inline A<int> ff(int i) {
+  return fff<A<int>>(&i);
+}
+
+#endif
diff --git a/test/Modules/Inputs/merge-decl-context/b.h b/test/Modules/Inputs/merge-decl-context/b.h
new file mode 100644
index 0000000..cb06ac8
--- /dev/null
+++ b/test/Modules/Inputs/merge-decl-context/b.h
@@ -0,0 +1,6 @@
+#ifndef B_H
+#define B_H
+
+#include "a.h"
+
+#endif
diff --git a/test/Modules/Inputs/merge-decl-context/c.h b/test/Modules/Inputs/merge-decl-context/c.h
new file mode 100644
index 0000000..af3a723
--- /dev/null
+++ b/test/Modules/Inputs/merge-decl-context/c.h
@@ -0,0 +1,7 @@
+#ifndef C_H
+#define C_H
+
+#include "a.h"
+#include "b.h"
+
+#endif
diff --git a/test/Modules/Inputs/merge-decl-context/d.h b/test/Modules/Inputs/merge-decl-context/d.h
new file mode 100644
index 0000000..ccc7308
--- /dev/null
+++ b/test/Modules/Inputs/merge-decl-context/d.h
@@ -0,0 +1,7 @@
+#ifndef D_H
+#define D_H
+
+#include "a.h"
+#include "b.h"
+
+#endif
diff --git a/test/Modules/Inputs/merge-decl-context/merge-decl-context.modulemap b/test/Modules/Inputs/merge-decl-context/merge-decl-context.modulemap
new file mode 100644
index 0000000..46f6954
--- /dev/null
+++ b/test/Modules/Inputs/merge-decl-context/merge-decl-context.modulemap
@@ -0,0 +1,18 @@
+module "a" {
+  textual header "a.h"
+}
+
+module "b" {
+  export *
+  header "b.h"
+}
+
+module "c" {
+  export *
+  header "c.h"
+}
+
+module "d" {
+  export *
+  header "d.h"
+}