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-rw-r--r--tests/cxx/double_include.cc2
1 files changed, 2 insertions, 0 deletions
diff --git a/tests/cxx/double_include.cc b/tests/cxx/double_include.cc
index 17a190c..87c9539 100644
--- a/tests/cxx/double_include.cc
+++ b/tests/cxx/double_include.cc
@@ -7,6 +7,8 @@
//
//===----------------------------------------------------------------------===//
+// IWYU_ARGS: -I .
+
// Tests that when we include a file twice (that doesn't have a header
// guard), we don't get confused and ask it to delete a copy of all
// *its* includes, thinking it specifies each include twice.