[gn build] Port 5338bd3

Author: llvmgnsyncbot

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

@@ -4,5 +4,8 @@ static_library("SandboxIR") {
     "//llvm/lib/IR",
     "//llvm/lib/Support",
   ]
-  sources = [ "SandboxIR.cpp" ]
+  sources = [
+    "SandboxIR.cpp",
+    "Tracker.cpp",
+  ]
 }

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

@@ -6,5 +6,8 @@ unittest("SandboxIRTests") {
     "//llvm/lib/IR",
     "//llvm/lib/SandboxIR",
   ]
-  sources = [ "SandboxIRTest.cpp" ]
+  sources = [
+    "SandboxIRTest.cpp",
+    "TrackerTest.cpp",
+  ]
 }