diff --git a/aspell-0.60.6.1-gcc8-workaround.patch b/aspell-0.60.6.1-gcc8-workaround.patch
new file mode 100644
index 0000000..57bb881
--- /dev/null
+++ b/aspell-0.60.6.1-gcc8-workaround.patch
@@ -0,0 +1,14 @@
+diff --git a/Makefile.in b/Makefile.in
+index 730e26b..952460f 100644
+--- a/Makefile.in
++++ b/Makefile.in
+@@ -1914,6 +1914,9 @@ uninstall-am: uninstall-binPROGRAMS uninstall-binSCRIPTS \
+ 	uninstall-pkgdataSCRIPTS uninstall-pspell_includeHEADERS
+ 
+ 
++# workaround GCC 8 bug triggered by -O2
++modules/speller/default/language.lo: CXXFLAGS += -O1
++
+ # settings.h added as a dependency so it will get recreated if
+ #   the COMPILE_IN_FILTERS option changes
+ gen/static_filters.src.cpp: ${static_optfiles} gen/mk-static-filter.pl gen/settings.h
diff --git a/aspell.spec b/aspell.spec
index 53acc35..af33785 100644
--- a/aspell.spec
+++ b/aspell.spec
@@ -1,7 +1,7 @@
 Summary: Spell checker
 Name: aspell
 Version: 0.60.6.1
-Release: 24%{?dist}
+Release: 25%{?dist}
 Epoch: 12
 # LGPLv2+ .. common/gettext.h
 # LGPLv2  .. modules/speller/default/phonet.hpp,
@@ -28,6 +28,8 @@ Patch6: aspell-0.60.6.1-aarch64.patch
 Patch7: aspell-0.60.6.1-gcc7-fixes.patch
 # resolves: #1562364
 Patch8: aspell-0.60.6.1-fix-back-on-empty-vector.patch
+# resolves: #1603421
+Patch9: aspell-0.60.6.1-gcc8-workaround.patch
 
 BuildRequires: gcc-c++
 BuildRequires: chrpath, gettext, ncurses-devel, pkgconfig, perl-interpreter
@@ -63,6 +65,7 @@ and header files needed for Aspell development.
 %patch6 -p1 -b .aarch64
 %patch7 -p1 -b .gcc7-fixes
 %patch8 -p1 -b .back-empty-vector
+%patch9 -p1 -b .gcc8-workaround
 iconv -f iso-8859-2 -t utf-8 < manual/aspell.info > manual/aspell.info.aux
 mv manual/aspell.info.aux manual/aspell.info
 
@@ -128,6 +131,10 @@ rm -f ${RPM_BUILD_ROOT}%{_mandir}/man1/aspell-import.1
 %{_mandir}/man1/pspell-config.1*
 
 %changelog
+* Mon Feb 04 2019 Nikola Forró <nforro@redhat.com> - 12:0.60.6.1-25
+- resolves: #1603421
+  workaround GCC 8 bug triggered by -O2
+
 * Thu Jul 12 2018 Fedora Release Engineering <releng@fedoraproject.org> - 12:0.60.6.1-24
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild