Unbreak the clang build after r169712.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169713 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/CodeGenFunction.cpp

@@ -50,10 +50,10 @@ CodeGenFunction::CodeGenFunction(CodeGenModule &cgm, bool suppressNewContext)
 
   llvm::FastMathFlags FMF;
   if (CGM.getLangOpts().FastMath)
-    FMF.UnsafeAlgebra = true;
+    FMF.setUnsafeAlgebra();
   if (CGM.getLangOpts().FiniteMathOnly) {
-    FMF.NoNaNs = true;
-    FMF.NoInfs = true;
+    FMF.setNoNaNs();
+    FMF.setNoInfs();
   }
   Builder.SetFastMathFlags(FMF);
 }