Add an XFAIL test which compiles differently from a .ast.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@82437 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Frontend/ast-main.c b/test/Frontend/ast-main.c
new file mode 100644 (file)
index 0000000..a08eb6b
--- /dev/null
+++ b/test/Frontend/ast-main.c
@@ -0,0 +1,9 @@
+// RUN: clang -emit-llvm -S -o %t1.ll %s &&
+// RUN: clang -emit-ast -o %t.ast %s &&
+// RUN: clang -emit-llvm -S -o %t2.ll %t.ast &&
+// RUN: diff %t1.ll %t2.ll
+// XFAIL: *
+
+int main() {
+  return 0;
+}