1 files changed, 22 insertions, 0 deletions
diff --git a/test/CodeGen/debug-info-file-change.c b/test/CodeGen/debug-info-file-change.c
new file mode 100644
index 0000000..abcffaf
--- /dev/null
+++ b/test/CodeGen/debug-info-file-change.c
@@ -0,0 +1,22 @@
+// RUN: %clang -emit-llvm -S -g %s -o - | FileCheck %s
+
+// Radar 8396182
+// There are no lexical blocks, but we need two DILexicalBlockFiles to
+// correctly represent file info.
+
+int foo() {
+  int i = 1;
+# 4 "m.c"
+# 1 "m.h" 1
+  int j = 2;
+# 2 "m.h"
+# 5 "m.c" 2
+  return i + j;
+}
+
+// CHECK-NOT: !DILexicalBlock
+// CHECK: !DILexicalBlockFile({{.*}}file: ![[MH:[0-9]+]]
+// CHECK: !DIFile(filename: "m.h"
+// CHECK: !DILexicalBlockFile({{.*}}file: ![[MC:[0-9]+]]
+// CHECK: !DIFile(filename: "m.c"
+// CHECK-NOT: !DILexicalBlock