Verifier: Don't crash on null entries in debug info retained types list

[oota-llvm.git] / test / Verifier / dbg-null-retained-type.ll

diff --git a/test/Verifier/dbg-null-retained-type.ll b/test/Verifier/dbg-null-retained-type.ll
new file mode 100644 (file)
index 0000000..f0368c8
--- /dev/null
+++ b/test/Verifier/dbg-null-retained-type.ll
@@ -0,0 +1,10 @@
+; RUN: not llvm-as -disable-output <%s 2>&1 | FileCheck %s
+; CHECK:      assembly parsed, but does not verify
+; CHECK-NEXT: invalid retained type
+
+!llvm.module.flags = !{!0}
+!0 = !{i32 2, !"Debug Info Version", i32 3}
+!llvm.dbg.cu = !{!1}
+!1 = distinct !DICompileUnit(file: !2, language: DW_LANG_C99, retainedTypes: !3)
+!2 = !DIFile(filename: "file.c", directory: "/path/to/dir")
+!3 = !{null}