Introduce a testbed for merging multiple ASTs into a single AST
context with the AST importer. WIP, still useless but at least it has
a test.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@95683 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/ASTMerge/Inputs/var2.c b/test/ASTMerge/Inputs/var2.c
new file mode 100644
index 0000000..34d6796
--- /dev/null
+++ b/test/ASTMerge/Inputs/var2.c
@@ -0,0 +1,3 @@
+// RUN: true
+int *x0;
+double *x1;