2 files changed, 21 insertions, 0 deletions
diff --git a/clang/test/Modules/Inputs/redecl-merge-left.h b/clang/test/Modules/Inputs/redecl-merge-left.h
index 4e009591de6..7f355e8f9d6 100644
--- a/clang/test/Modules/Inputs/redecl-merge-left.h
+++ b/clang/test/Modules/Inputs/redecl-merge-left.h
@@ -10,6 +10,18 @@ __import_module__ redecl_merge_top;
 
 @class A;
 
+// Test declarations in different modules with no common initial
+// declaration.
+@class C;
+void accept_a_C(C*);
+
+@class C2;
+void accept_a_C2(C2*);
+
+@class C3;
+void accept_a_C3(C3*);
+@class C3;
+
 @class Explicit;
 
 int *explicit_func(void);
diff --git a/clang/test/Modules/Inputs/redecl-merge-right.h b/clang/test/Modules/Inputs/redecl-merge-right.h
index 26eed69b91b..f5e4eb8ee44 100644
--- a/clang/test/Modules/Inputs/redecl-merge-right.h
+++ b/clang/test/Modules/Inputs/redecl-merge-right.h
@@ -9,6 +9,15 @@ __import_module__ redecl_merge_top;
 
 @class B;
 
+// Test declarations in different modules with no common initial
+// declaration.
+@class C;
+C *get_a_C(void);
+@class C2;
+C2 *get_a_C2(void);
+@class C3;
+C3 *get_a_C3(void);
+
 @class Explicit;
 
 int *explicit_func(void);