[gn build] Port fab91e9

Author: llvmgnsyncbot

llvm/utils/gn/secondary/llvm/lib/DWARFLinkerParallel/BUILD.gn

@@ -10,14 +10,9 @@ static_library("DWARFLinkerParallel") {
     "//llvm/lib/Support",
   ]
   sources = [
-    "DIEAttributeCloner.cpp",
     "DWARFEmitterImpl.cpp",
-    "DWARFFile.cpp",
     "DWARFLinker.cpp",
-    "DWARFLinkerCompileUnit.cpp",
     "DWARFLinkerImpl.cpp",
-    "DWARFLinkerUnit.cpp",
-    "DependencyTracker.cpp",
     "OutputSections.cpp",
     "StringPool.cpp",
   ]

llvm/utils/gn/secondary/llvm/unittests/DWARFLinkerParallel/BUILD.gn

@@ -9,5 +9,6 @@ unittest("DWARFLinkerParallelTests") {
   sources = [
     "DWARFLinkerTest.cpp",
     "StringPoolTest.cpp",
+    "StringTableTest.cpp",
   ]
 }