There's some code in the PCH reader that looks like it's needlessly complex, but

turns out that it's actually needed for C++ modules support. Since simplifying
it didn't cause any test failures, I'll add a test for it.

llvm-svn: 154582

1 files changed, 3 insertions, 0 deletions

diff --git a/clang/test/Modules/Inputs/redecl_namespaces_left.h b/clang/test/Modules/Inputs/redecl_namespaces_left.h
new file mode 100644
index 00000000000..49595eac920
--- /dev/null
+++ b/clang/test/Modules/Inputs/redecl_namespaces_left.h
@@ -0,0 +1,3 @@
+namespace A {
+  int i;
+}