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-rw-r--r--tests/cxx/no_h_includes_cc.cc2
1 files changed, 2 insertions, 0 deletions
diff --git a/tests/cxx/no_h_includes_cc.cc b/tests/cxx/no_h_includes_cc.cc
index 849bea1..185f6f4 100644
--- a/tests/cxx/no_h_includes_cc.cc
+++ b/tests/cxx/no_h_includes_cc.cc
@@ -7,6 +7,8 @@
//
//===----------------------------------------------------------------------===//
+// IWYU_ARGS: -Xiwyu --check_also="tests/cxx/*.c" -I .
+
// Tests that we never suggest that a .h file #include a .cc file,
// even in cases where one .cc file #includes another one.