[PCH/Modules] In ASTReader::completeVisibleDeclsMap, make sure to visit all
modules when getting the decls for a namespace or translation unit.
Otherwise the code-completion results will not be complete.
rdar://12889089
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170596 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Index/codecompletion-chained.cpp b/test/Index/codecompletion-chained.cpp
new file mode 100644
index 0000000..93e832f
--- /dev/null
+++ b/test/Index/codecompletion-chained.cpp
@@ -0,0 +1,33 @@
+
+// <rdar://12889089>
+
+#ifndef HEADER1
+#define HEADER1
+
+// CHECK-TU: FunctionDecl:{ResultType void}{TypedText foo}
+void foo();
+
+namespace Cake {
+// CHECK-NAMESPACE: FunctionDecl:{ResultType void}{TypedText lie}
+void lie();
+}
+
+#elif !defined(HEADER2)
+#define HEADER2
+
+namespace Cake {
+extern int Baz;
+}
+
+#else
+
+void func() {
+Cake::
+}
+
+#endif
+
+// RUN: c-index-test -write-pch %t1.h.pch %s
+// RUN: c-index-test -write-pch %t2.h.pch %s -include %t1.h
+// RUN: c-index-test -code-completion-at=%s:25:1 %s -include %t2.h | FileCheck -check-prefix=CHECK-TU %s
+// RUN: c-index-test -code-completion-at=%s:25:7 %s -include %t2.h | FileCheck -check-prefix=CHECK-NAMESPACE %s