From 072224723142cc2525418784f0c4a69b6dc8fa71 Mon Sep 17 00:00:00 2001
From: Erik Pilkington <erik.pilkington@gmail.com>
Date: Thu, 17 Jan 2019 21:37:51 +0000
Subject: [PATCH] [demangler] Support for block literals.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@351482 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/Demangle/ItaniumDemangle.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/llvm/Demangle/ItaniumDemangle.h b/include/llvm/Demangle/ItaniumDemangle.h
index 9a54ff5d80d..f35c062cd6d 100644
--- a/include/llvm/Demangle/ItaniumDemangle.h
+++ b/include/llvm/Demangle/ItaniumDemangle.h
@@ -2480,6 +2480,12 @@ AbstractManglingParser<Derived, Alloc>::parseUnnamedTypeName(NameState *) {
       return nullptr;
     return make<ClosureTypeName>(Params, Count);
   }
+  if (consumeIf("Ub")) {
+    (void)parseNumber();
+    if (!consumeIf('_'))
+      return nullptr;
+    return make<NameType>("'block-literal'");
+  }
   return nullptr;
 }
 
-- 
2.50.1