1 files changed, 23 insertions, 0 deletions
diff --git a/clang/test/PCH/preamble.c b/clang/test/PCH/preamble.c
new file mode 100644
index 0000000..6a61fa1
--- /dev/null
+++ b/clang/test/PCH/preamble.c
@@ -0,0 +1,23 @@
+// Check that using the preamble option actually skips the preamble.
+
+// RUN: %clang_cc1 -emit-pch -o %t %S/Inputs/preamble.h -DFOO=f
+// RUN: %clang_cc1 -include-pch %t -preamble-bytes=317,1 -DFOO=f -verify %s -emit-llvm -o - | FileCheck %s
+
+float f(int); // Not an error, because we skip this via the preamble!
+
+
+
+
+
+
+
+
+
+
+
+
+int g(int x) {
+  return FOO(x);
+}
+
+// CHECK: call {{.*}} @f(