From cfe96c80516e3c2eb78eb784bf8480329bd47229 Mon Sep 17 00:00:00 2001
From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Thu, 22 Dec 2011 22:25:26 +0000
Subject: [PATCH] Make the -fvisibility-inlines-hidden check more thorough in a
 hopeless attempt to fix mingw cross-compiles.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147191 91177308-0d34-0410-b5e6-96231b3b80d8
---
 autoconf/m4/visibility_inlines_hidden.m4 | 4 +++-
 configure                                | 4 ++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/autoconf/m4/visibility_inlines_hidden.m4 b/autoconf/m4/visibility_inlines_hidden.m4
index 42ddbe9128b..ee3d61bc82d 100644
--- a/autoconf/m4/visibility_inlines_hidden.m4
+++ b/autoconf/m4/visibility_inlines_hidden.m4
@@ -9,7 +9,9 @@ AC_DEFUN([AC_CXX_USE_VISIBILITY_INLINES_HIDDEN],
 [ AC_LANG_PUSH([C++])
   oldcxxflags="$CXXFLAGS"
   CXXFLAGS="$CXXFLAGS -fvisibility-inlines-hidden"
-  AC_COMPILE_IFELSE([AC_LANG_PROGRAM()],
+  AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
+    [template <typename T> struct X { inline void f() {} };],
+    [X<int>().f();])],
     [llvm_cv_cxx_visibility_inlines_hidden=yes],[llvm_cv_cxx_visibility_inlines_hidden=no])
   CXXFLAGS="$oldcxxflags"
   AC_LANG_POP([C++])
diff --git a/configure b/configure
index ad20b850ab0..62b2d1cc9be 100755
--- a/configure
+++ b/configure
@@ -20993,11 +20993,11 @@ _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-
+template <typename T> struct X { inline void f() {} };
 int
 main ()
 {
-
+X<int>().f();
   ;
   return 0;
 }
-- 
2.34.1