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-rw-r--r--clang/test/Driver/autocomplete.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/clang/test/Driver/autocomplete.c b/clang/test/Driver/autocomplete.c
index c4d80f29f7b..5680801a64a 100644
--- a/clang/test/Driver/autocomplete.c
+++ b/clang/test/Driver/autocomplete.c
@@ -1,3 +1,7 @@
+// Test for the --autocompletion flag, which is an API used for shell
+// autocompletion. You may have to update tests in this file when you
+// add/modify flags, change HelpTexts or the values of some flags.
+
// RUN: %clang --autocomplete=-fsyn | FileCheck %s -check-prefix=FSYN
// FSYN: -fsyntax-only
// RUN: %clang --autocomplete=-std= | FileCheck %s -check-prefix=STD
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