Update for llvm commit r134291.

Fixes rdar://9714064

llvm-svn: 134292
diff --git a/clang/lib/StaticAnalyzer/Checkers/CallAndMessageChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/CallAndMessageChecker.cpp
index dfe0a0e..6c3dfac 100644
--- a/clang/lib/StaticAnalyzer/Checkers/CallAndMessageChecker.cpp
+++ b/clang/lib/StaticAnalyzer/Checkers/CallAndMessageChecker.cpp
@@ -282,7 +282,7 @@
 
 static bool supportsNilWithFloatRet(const llvm::Triple &triple) {
   return triple.getVendor() == llvm::Triple::Apple &&
-         (triple.getDarwinMajorNumber() >= 9 || 
+         (!triple.isMacOSXVersionLT(10,5) ||
           triple.getArch() == llvm::Triple::arm || 
           triple.getArch() == llvm::Triple::thumb);
 }