1 files changed, 8 insertions, 0 deletions
diff --git a/clang/test/PCH/preprocess.c b/clang/test/PCH/preprocess.c
new file mode 100644
index 0000000..8bf841f
--- /dev/null
+++ b/clang/test/PCH/preprocess.c
@@ -0,0 +1,8 @@
+// Check that -E mode is invariant when using an implicit PCH.
+
+// RUN: %clang_cc1 -include %S/preprocess.h -E -o %t.orig %s
+// RUN: %clang_cc1 -emit-pch -o %t %S/preprocess.h
+// RUN: %clang_cc1 -include-pch %t -E -o %t.from_pch %s
+// RUN: diff %t.orig %t.from_pch
+
+a_typedef a_value;