fix a bug Steve noticed, where a #import of the main file itself would fail.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44178 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Preprocessor/import_self.c b/test/Preprocessor/import_self.c
new file mode 100644
index 0000000..e8f6fa7
--- /dev/null
+++ b/test/Preprocessor/import_self.c
@@ -0,0 +1,7 @@
+// RUN: clang -E -I. %s | grep BODY_OF_FILE | wc -l | grep 1
+
+// This #import should have no effect, as we're importing the current file.
+#import <import_self.c>
+
+BODY_OF_FILE
+