[gn build] Port 536606f

Author: llvmgnsyncbot

llvm/utils/gn/secondary/clang/unittests/StaticAnalyzer/BUILD.gn

@@ -23,6 +23,7 @@ unittest("StaticAnalysisTests") {
     "IsCLibraryFunctionTest.cpp",
     "MemRegionDescriptiveNameTest.cpp",
     "NoStateChangeFuncVisitorTest.cpp",
+    "ObjcBug-124477.cpp",
     "ParamRegionTest.cpp",
     "RangeSetTest.cpp",
     "RegisterCustomCheckersTest.cpp",