BitcodeReader: Allow METADATA_STRINGS to only have !""
Support parsing a METADATA_STRINGS record that only has a single piece
of metadata, !"". Fixes a corner case in r264551.
llvm-svn: 264699
diff --git a/llvm/test/Bitcode/metadata-only-empty-string.ll b/llvm/test/Bitcode/metadata-only-empty-string.ll
new file mode 100644
index 0000000..f8331e3
--- /dev/null
+++ b/llvm/test/Bitcode/metadata-only-empty-string.ll
@@ -0,0 +1,7 @@
+; RUN: llvm-as < %s | llvm-dis | FileCheck %s
+
+; CHECK: !named = !{!0}
+!named = !{!0}
+
+; CHECK: !0 = !{!""}
+!0 = !{!""}