gn build: Port db03408

Author: pcc

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

@@ -0,0 +1,14 @@
+static_library("DWARFCFIChecker") {
+  output_name = "LLVMDWARFCFIChecker"
+  deps = [
+    "//llvm/lib/DebugInfo/DWARF/LowLevel",
+    "//llvm/lib/MC",
+    "//llvm/lib/Support",
+  ]
+  sources = [
+    "DWARFCFIAnalysis.cpp",
+    "DWARFCFIFunctionFrameAnalyzer.cpp",
+    "DWARFCFIFunctionFrameStreamer.cpp",
+    "DWARFCFIState.cpp",
+  ]
+}

llvm/utils/gn/secondary/llvm/tools/llvm-mc/BUILD.gn

@@ -1,5 +1,6 @@
 executable("llvm-mc") {
   deps = [
+    "//llvm/lib/DWARFCFIChecker",
     "//llvm/lib/MC",
     "//llvm/lib/MC/MCParser",
     "//llvm/lib/Support",