PR20399: Do not assert when adding an implicit member coming from a module at

writing time.

Patch by Vassil Vassilev!

llvm-svn: 218651

1 files changed, 18 insertions, 0 deletions

diff --git a/clang/test/Modules/Inputs/PR20399/module.modulemap b/clang/test/Modules/Inputs/PR20399/module.modulemap
new file mode 100644
index 00000000000..223434adba1
--- /dev/null
+++ b/clang/test/Modules/Inputs/PR20399/module.modulemap
@@ -0,0 +1,18 @@
+module stdlib [system] {
+    header "stl_map.h"
+    header "vector"
+ }
+
+module libCore {
+  header "SecondHeader.h"
+    use stdlib
+  export *
+}
+
+module libGdml {
+  header "FirstHeader.h"
+  use libCore
+    use stdlib
+  export *
+}
+