[gn build] Port f10a870

Author: llvmgnsyncbot

llvm/utils/gn/secondary/clang/lib/StaticAnalyzer/Checkers/BUILD.gn

@@ -17,6 +17,7 @@ static_library("Checkers") {
     "AnalysisOrderChecker.cpp",
     "AnalyzerStatsChecker.cpp",
     "ArrayBoundChecker.cpp",
+    "AssumeModeling.cpp",
     "BasicObjCFoundationChecks.cpp",
     "BitwiseShiftChecker.cpp",
     "BlockInCriticalSectionChecker.cpp",