diff --git a/mingw-gcc-config.patch b/mingw-gcc-config.patch
new file mode 100644
index 0000000..044277d
--- /dev/null
+++ b/mingw-gcc-config.patch
@@ -0,0 +1,44 @@
+diff -Nrup a/libiberty/aclocal.m4 b/libiberty/aclocal.m4
+--- a/libiberty/aclocal.m4	2019-01-19 09:01:34.000000000 -0700
++++ b/libiberty/aclocal.m4	2020-01-09 22:00:27.183312982 -0700
+@@ -147,7 +147,7 @@ if test $ac_cv_os_cray = yes; then
+ fi
+ 
+ AC_CACHE_CHECK(stack direction for C alloca, ac_cv_c_stack_direction,
+-[AC_TRY_RUN([find_stack_direction ()
++[AC_TRY_RUN([__attribute__ ((noclone,noinline)) find_stack_direction ()
+ {
+   static char *addr = 0;
+   auto char dummy;
+diff --git a/config/intdiv0.m4 b//config/intdiv0.m4
+index 55dddcf1..ba906efc 100644
+--- a/config/intdiv0.m4
++++ b/config/intdiv0.m4
+@@ -31,10 +31,10 @@ sigfpe_handler (sig) int sig;
+   exit (sig != SIGFPE);
+ }
+ 
+-int x = 1;
+-int y = 0;
+-int z;
+-int nan;
++volatile int x = 1;
++volatile int y = 0;
++volatile int z;
++volatile int nan;
+ 
+ int main ()
+ {
+diff --git a/libiberty/configure.ac b/libiberty/configure.ac
+index f1ce7601..fc20d228 100644
+--- a/libiberty/configure.ac
++++ b/libiberty/configure.ac
+@@ -661,7 +661,7 @@ if test -z "${setobjs}"; then
+   for v in $vars; do
+     AC_MSG_CHECKING([for $v])
+     AC_CACHE_VAL(libiberty_cv_var_$v,
+-      [AC_LINK_IFELSE([AC_LANG_PROGRAM([[int *p;]],[[extern int $v []; p = $v;]])],
++      [AC_LINK_IFELSE([AC_LANG_PROGRAM([[__attribute__ ((used)) int *p;]],[[extern int $v []; p = $v;]])],
+ 		      [eval "libiberty_cv_var_$v=yes"],
+ 		      [eval "libiberty_cv_var_$v=no"])])
+     if eval "test \"`echo '$libiberty_cv_var_'$v`\" = yes"; then
diff --git a/mingw-gcc.spec b/mingw-gcc.spec
index ccded0e..0decb11 100644
--- a/mingw-gcc.spec
+++ b/mingw-gcc.spec
@@ -22,7 +22,7 @@
 
 Name:           mingw-gcc
 Version:        %{gcc_version}
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        MinGW Windows cross-compiler (GCC) for C
 
 License:        GPLv3+ and GPLv3+ with exceptions and GPLv2+ with exceptions
@@ -36,6 +36,7 @@ URL:            http://gcc.gnu.org
 # rm -rf gcc-dir.tmp
 %global srcdir gcc-%{version}-%{DATE}
 Source0: %{srcdir}.tar.xz
+Patch0: mingw-gcc-config.patch
 
 BuildRequires:  gcc-c++
 BuildRequires:  texinfo
@@ -216,6 +217,14 @@ needed for OpenMP v3.0 support for the win32 target.
 %autosetup -p1 -n %{srcdir}
 echo 'Fedora MinGW %{version}-%{release}' > gcc/DEV-PHASE
 
+# Force updating the configure files after patching the .m4 files
+pushd libiberty
+autoconf -f
+popd
+pushd intl
+autoconf -f
+popd
+
 %build
 # Default configure arguments
 configure_args="\
@@ -647,6 +656,9 @@ ln -sf %{mingw64_bindir}/libssp-0.dll %{buildroot}%{mingw64_libdir}/libssp.dll.a
 
 
 %changelog
+* Mon Jul 20 2020 Jeff Law <law@redhat.com> - 10.1.1-4
+- Fix broken configure tests compromised by LTO
+
 * Sun Jul 19 2020 Sandro Mani <manisandro@gmail.com> - 10.1.1-3
 - Hack: symlink libssp-0.dll over libssp.dll.a