1 files changed, 46 insertions, 0 deletions
diff --git a/clang/test/Modules/crash-enum-visibility-with-header-unit.cppm b/clang/test/Modules/crash-enum-visibility-with-header-unit.cppm
new file mode 100644
index 0000000..90c5779
--- /dev/null
+++ b/clang/test/Modules/crash-enum-visibility-with-header-unit.cppm
@@ -0,0 +1,46 @@
+// Fixes #165445
+
+// RUN: rm -rf %t
+// RUN: mkdir -p %t
+// RUN: split-file %s %t
+//
+// RUN: %clang_cc1 -std=c++20 -x c++-user-header %t/header.h \
+// RUN:   -emit-header-unit -o %t/header.pcm
+//
+// RUN: %clang_cc1 -std=c++20 %t/A.cppm -fmodule-file=%t/header.pcm \
+// RUN:   -emit-module-interface -o %t/A.pcm
+// 
+// RUN: %clang_cc1 -std=c++20 %t/B.cppm -fmodule-file=%t/header.pcm \
+// RUN:   -emit-module-interface -o %t/B.pcm
+//
+// RUN: %clang_cc1 -std=c++20 %t/use.cpp \
+// RUN:   -fmodule-file=A=%t/A.pcm -fmodule-file=B=%t/B.pcm  \
+// RUN:   -fmodule-file=%t/header.pcm \
+// RUN:   -verify -fsyntax-only
+
+//--- enum.h
+enum E { Value };
+
+//--- header.h
+#include "enum.h"
+
+//--- A.cppm
+module;
+#include "enum.h"
+export module A;
+
+auto e = Value;
+
+//--- B.cppm
+export module B;
+import "header.h";
+
+auto e = Value;
+
+//--- use.cpp
+// expected-no-diagnostics
+import A;
+import B;
+#include "enum.h"
+
+auto e = Value;