Index: clang/lib/CodeGen/CGCall.cpp
===================================================================
--- clang/lib/CodeGen/CGCall.cpp
+++ clang/lib/CodeGen/CGCall.cpp
@@ -1863,9 +1863,9 @@
     if (LangOpts.ApproxFunc)
       FuncAttrs.addAttribute("approx-func-fp-math", "true");
     if ((LangOpts.FastMath ||
-         !LangOpts.FastMath && LangOpts.AllowFPReassoc && LangOpts.AllowRecip &&
+         (!LangOpts.FastMath && LangOpts.AllowFPReassoc && LangOpts.AllowRecip &&
              !LangOpts.FiniteMathOnly && LangOpts.NoSignedZero &&
-             LangOpts.ApproxFunc) &&
+             LangOpts.ApproxFunc)) &&
         LangOpts.getDefaultFPContractMode() != LangOptions::FPModeKind::FPM_Off)
       FuncAttrs.addAttribute("unsafe-fp-math", "true");
     if (CodeGenOpts.SoftFloat)