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-rw-r--r--tests/cxx/associated_h_file_heuristic.cc2
1 files changed, 2 insertions, 0 deletions
diff --git a/tests/cxx/associated_h_file_heuristic.cc b/tests/cxx/associated_h_file_heuristic.cc
index e92565b..288a35d 100644
--- a/tests/cxx/associated_h_file_heuristic.cc
+++ b/tests/cxx/associated_h_file_heuristic.cc
@@ -7,6 +7,8 @@
//
//===----------------------------------------------------------------------===//
+// IWYU_ARGS: -I .
+
// Tests that we correctly say that a .h is an 'associated' .h file
// of a .cc file if it occurs first and shares a basename.