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-rw-r--r--clang/test/Coverage/ast-printing.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/clang/test/Coverage/ast-printing.c b/clang/test/Coverage/ast-printing.c
index ecaf3abeaa8..eb22f92e66d 100644
--- a/clang/test/Coverage/ast-printing.c
+++ b/clang/test/Coverage/ast-printing.c
@@ -1,5 +1,7 @@
// RUN: %clang_cc1 -fsyntax-only %s
-// RUN: %clang_cc1 -ast-print %s
+// RUN: %clang_cc1 -ast-print %s -o %t.1.c
+// RUN: %clang_cc1 -ast-print %t.1.c -o %t.2.c
+// RUN: diff %t.1.c %t.2.c
// RUN: %clang_cc1 -ast-dump %s
// RUN: %clang_cc1 -print-decl-contexts %s
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