[modules] Track all default template arguments for a given parameter across
modules, and allow use of a default template argument if any of the parameters
providing it is visible.
llvm-svn: 239485
diff --git a/clang/test/Modules/Inputs/template-default-args/a.h b/clang/test/Modules/Inputs/template-default-args/a.h
index 1ef1ea5..3e41535 100644
--- a/clang/test/Modules/Inputs/template-default-args/a.h
+++ b/clang/test/Modules/Inputs/template-default-args/a.h
@@ -2,3 +2,4 @@
template<typename T> struct B {};
template<typename T> struct C;
template<typename T> struct D;
+template<typename T> struct E;