[gn build] Port 5e508b9bac0
diff --git a/llvm/utils/gn/secondary/llvm/tools/llvm-dwarfdump/BUILD.gn b/llvm/utils/gn/secondary/llvm/tools/llvm-dwarfdump/BUILD.gn
index b99086f..10f2d50 100644
--- a/llvm/utils/gn/secondary/llvm/tools/llvm-dwarfdump/BUILD.gn
+++ b/llvm/utils/gn/secondary/llvm/tools/llvm-dwarfdump/BUILD.gn
@@ -8,6 +8,7 @@
     "//llvm/lib/Target:AllTargetsInfos",
   ]
   sources = [
+    "SectionSizes.cpp",
     "Statistics.cpp",
     "llvm-dwarfdump.cpp",
   ]