7 files changed, 138 insertions, 0 deletions
diff --git a/test/Modules/Inputs/stress1/common.h b/test/Modules/Inputs/stress1/common.h
new file mode 100644
index 0000000..b52520e
--- /dev/null
+++ b/test/Modules/Inputs/stress1/common.h
@@ -0,0 +1,74 @@
+#ifndef STRESS1_COMMON_H
+#define STRESS1_COMMON_H
+
+inline char function00(char x) { return x + x; }
+inline short function00(short x) { return x + x; }
+inline int function00(int x) { return x + x; }
+
+namespace N01 { struct S00; }
+
+namespace N00 {
+struct S00 {
+  char c;
+  short s;
+  int i;
+
+  S00(char x) : c(x) {}
+  S00(short x) : s(x) {}
+  S00(int x) : i(x) {}
+
+  char method00(char x) { return x + x; }
+  short method00(short x) { return x + x; }
+  int method00(int x) { return x + x; }
+
+  operator char() { return c; }
+  operator short() { return s; }
+  operator int() { return i; }
+};
+struct S01 {};
+struct S02 {};
+template <typename T> struct S03 {
+  struct S00 : N00::S00 {};
+};
+template <int I, template <typename> class U> struct S03<U<int>[I]>
+    : U<int>::S00 {
+  S03();
+  S03(int);
+  S03(short);
+  S03(char);
+  template <typename V = decltype(I)> S03(V);
+};
+template <> struct S03<S03<int>[42]> : S00 {};
+}
+
+namespace N01 {
+struct S00 : N00::S00 {
+  using N00::S00::S00;
+};
+struct S01 {};
+struct S02 {};
+}
+
+using namespace N00;
+
+template <int I, template <typename> class U> template <typename V> S03<U<int>[I]>::S03(V x) : S00(x) {}
+template <int I, template <typename> class U> S03<U<int>[I]>::S03() : S00(I) {}
+template <int I, template <typename> class U> S03<U<int>[I]>::S03(char x) : S00(x) {}
+template <int I, template <typename> class U> S03<U<int>[I]>::S03(short x) : S00(x) {}
+template <int I, template <typename> class U> S03<U<int>[I]>::S03(int x) : S00(x) {}
+
+#pragma weak pragma_weak00
+#pragma weak pragma_weak01
+#pragma weak pragma_weak02
+#pragma weak pragma_weak03
+#pragma weak pragma_weak04
+#pragma weak pragma_weak05
+
+extern "C" int pragma_weak00();
+extern "C" int pragma_weak01();
+extern "C" int pragma_weak02();
+extern "C" int pragma_weak03;
+extern "C" int pragma_weak04;
+extern "C" int pragma_weak05;
+
+#endif
diff --git a/test/Modules/Inputs/stress1/m00.h b/test/Modules/Inputs/stress1/m00.h
new file mode 100644
index 0000000..ca5af38
--- /dev/null
+++ b/test/Modules/Inputs/stress1/m00.h
@@ -0,0 +1,6 @@
+#ifndef STRESS1_M00_H
+#define STRESS1_M00_H
+
+#include "common.h"
+
+#endif
diff --git a/test/Modules/Inputs/stress1/m01.h b/test/Modules/Inputs/stress1/m01.h
new file mode 100644
index 0000000..23a3d4b
--- /dev/null
+++ b/test/Modules/Inputs/stress1/m01.h
@@ -0,0 +1,10 @@
+#ifndef STRESS1_M01_H
+#define STRESS1_M01_H
+
+#include "common.h"
+
+// Trigger the use of special members for a class this is also defined in other
+// modules.
+inline N00::S01 m01_special_members() { return N00::S01(); }
+
+#endif
diff --git a/test/Modules/Inputs/stress1/m02.h b/test/Modules/Inputs/stress1/m02.h
new file mode 100644
index 0000000..bb9714f
--- /dev/null
+++ b/test/Modules/Inputs/stress1/m02.h
@@ -0,0 +1,6 @@
+#ifndef STRESS1_M02_H
+#define STRESS1_M02_H
+
+#include "common.h"
+
+#endif
diff --git a/test/Modules/Inputs/stress1/m03.h b/test/Modules/Inputs/stress1/m03.h
new file mode 100644
index 0000000..b6dbb68
--- /dev/null
+++ b/test/Modules/Inputs/stress1/m03.h
@@ -0,0 +1,6 @@
+#ifndef STRESS1_M03_H
+#define STRESS1_M03_H
+
+#include "common.h"
+
+#endif
diff --git a/test/Modules/Inputs/stress1/merge00.h b/test/Modules/Inputs/stress1/merge00.h
new file mode 100644
index 0000000..46d5e41
--- /dev/null
+++ b/test/Modules/Inputs/stress1/merge00.h
@@ -0,0 +1,30 @@
+#ifndef STRESS1_MERGE00_H
+#define STRESS1_MERGE00_H
+
+// These don't match the imported declarations because we import them from
+// modules which are built in isolation of the current header's pragma state
+// much like they are built in isolation of the incoming macro state.
+// FIXME: We should expect warnings here but we can't because verify doesn't
+// work for modules.
+//#pragma weak pragma_weak01 // expected-warning {{weak identifier 'pragma_weak01' never declared}}
+//#pragma weak pragma_weak04 // expected-warning {{weak identifier 'pragma_waek04' never declared}}
+
+#include "common.h"
+#include "m00.h"
+#include "m01.h"
+#include "m02.h"
+#include "m03.h"
+
+inline int g() { return N00::S00('a').method00('b') + (int)S00(42) + function00(42); }
+
+// Use implicit special memebers again for S01 to ensure that we merge them in
+// successfully from m01.
+inline N00::S01 h() { return N00::S01(); }
+
+#pragma weak pragma_weak02
+#pragma weak pragma_weak05
+
+extern "C" int pragma_weak02();
+int pragma_weak05;
+
+#endif
diff --git a/test/Modules/Inputs/stress1/module.modulemap b/test/Modules/Inputs/stress1/module.modulemap
new file mode 100644
index 0000000..2b687b0
--- /dev/null
+++ b/test/Modules/Inputs/stress1/module.modulemap
@@ -0,0 +1,6 @@
+module m00 { header "Inputs/stress1/m00.h" export * }
+module m01 { header "Inputs/stress1/m01.h" export * }
+module m02 { header "Inputs/stress1/m02.h" export * }
+module m03 { header "Inputs/stress1/m03.h" export * }
+
+module merge00 { header "Inputs/stress1/merge00.h" export * }