From e3c65d1ede77c13c4dd0e07c5c908098466a14e0 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Mon, 20 Sep 2010 22:32:25 +0000
Subject: [PATCH] Relax this check to silently swallow FE_INEXACT, following
 directions from rdar://8452472. This unbreaks gcc.dg/builtins-17.c.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114368 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/System/FEnv.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/llvm/System/FEnv.h b/include/llvm/System/FEnv.h
index 4c72eb2ab26..57097d2f57a 100644
--- a/include/llvm/System/FEnv.h
+++ b/include/llvm/System/FEnv.h
@@ -38,7 +38,7 @@ static inline bool llvm_fenv_testexcept() {
   if (errno_val == ERANGE || errno_val == EDOM)
     return true;
 #ifdef HAVE_FENV_H
-  if (fetestexcept(FE_ALL_EXCEPT))
+  if (fetestexcept(FE_ALL_EXCEPT & ~FE_INEXACT))
     return true;
 #endif
   return false;