llvm build: Merge r351448

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@351469 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/gn/secondary/llvm/lib/Demangle/BUILD.gn b/utils/gn/secondary/llvm/lib/Demangle/BUILD.gn
index 8e97dfe..81ddb6c 100644
--- a/utils/gn/secondary/llvm/lib/Demangle/BUILD.gn
+++ b/utils/gn/secondary/llvm/lib/Demangle/BUILD.gn
@@ -2,6 +2,7 @@
   output_name = "LLVMDemangle"
 
   sources = [
+    "Demangle.cpp",
     "ItaniumDemangle.cpp",
     "MicrosoftDemangle.cpp",
     "MicrosoftDemangleNodes.cpp",
diff --git a/utils/gn/secondary/llvm/unittests/Demangle/BUILD.gn b/utils/gn/secondary/llvm/unittests/Demangle/BUILD.gn
index c7eedfb..7981d94 100644
--- a/utils/gn/secondary/llvm/unittests/Demangle/BUILD.gn
+++ b/utils/gn/secondary/llvm/unittests/Demangle/BUILD.gn
@@ -5,6 +5,7 @@
     "//llvm/lib/Demangle",
   ]
   sources = [
+    "DemangleTest.cpp",
     "ItaniumDemangleTest.cpp",
     "PartialDemangleTest.cpp",
   ]