Allow submodule inferrences with a missing umbrella when the module is unavailable

If the module is unavailable because of a missing header, don't diagnose
a "module * {}" declaration for having a missing umbrella.

llvm-svn: 206776

1 files changed, 6 insertions, 0 deletions

diff --git a/clang/test/Modules/Inputs/submodules/module.map b/clang/test/Modules/Inputs/submodules/module.map
index 27c1ee4c615..1c1b76a0896 100644
--- a/clang/test/Modules/Inputs/submodules/module.map
+++ b/clang/test/Modules/Inputs/submodules/module.map
@@ -24,3 +24,9 @@ module missing_unavailable_headers {
   }
   module not_missing { }
 }
+
+module missing_umbrella_with_inferred_submodules {
+  umbrella header "missing_umbrella.h"
+  module * { export * }
+  export *
+}