Update for llvm commit r134291.

Fixes rdar://9714064


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134292 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/StaticAnalyzer/Checkers/CallAndMessageChecker.cpp b/lib/StaticAnalyzer/Checkers/CallAndMessageChecker.cpp
index dfe0a0e..6c3dfac 100644
--- a/lib/StaticAnalyzer/Checkers/CallAndMessageChecker.cpp
+++ b/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);
 }