[gn build] Port f62b898

Author: llvmgnsyncbot

llvm/utils/gn/secondary/llvm/unittests/DebugInfo/DWARF/BUILD.gn

@@ -19,6 +19,7 @@ unittest("DebugInfoDWARFTests") {
     "DWARFDebugInfoTest.cpp",
     "DWARFDebugLineTest.cpp",
     "DWARFDieTest.cpp",
+    "DWARFExpressionCompactPrinterTest.cpp",
     "DWARFFormValueTest.cpp",
     "DWARFLocationExpressionTest.cpp",
     "DwarfGenerator.cpp",