From 761399aba092bcb1299bb4fccfd60f370ab4216e Mon Sep 17 00:00:00 2001
From: Marek Skalický <mskalick@redhat.com>
Date: Mar 31 2016 06:48:57 +0000
Subject: Disable two optimizations which caused regressions with new gcc


- Use fedora default -O2 instead of mozjs -O3

---

diff --git a/mozjs38.spec b/mozjs38.spec
index ceb8433..7105c71 100644
--- a/mozjs38.spec
+++ b/mozjs38.spec
@@ -4,7 +4,7 @@
 Summary:	JavaScript interpreter and libraries
 Name:		mozjs38
 Version:	%{major}.2.1
-Release:	7%{?dist}
+Release:	8%{?dist}
 License:	MPLv2.0 and BSD and GPLv2+ and GPLv3+ and LGPLv2.1 and LGPLv2.1+ and AFL and ASL 2.0
 URL:		https://developer.mozilla.org/en-US/docs/Mozilla/Projects/SpiderMonkey/Releases/38
 Source0:	https://people.mozilla.org/~sstangl/mozjs-%{version}%{pre_release}.tar.bz2
@@ -67,7 +67,7 @@ sed -i 's|\(void\) \(DisableExtraThreads()\)|JS_PUBLIC_API\(\1\) \2|g'  vm/Runti
 
 %build
 # Need -fpermissive due to some macros using nullptr as bool false
-export CFLAGS="%{optflags} -fpermissive"
+export CFLAGS="%{optflags} -fpermissive -fno-tree-vrp -fno-strict-aliasing"
 export CXXFLAGS="$CFLAGS"
 export PYTHON=/usr/bin/python2
 %configure \
@@ -77,7 +77,7 @@ export PYTHON=/usr/bin/python2
 	--enable-xterm-updates \
 	--enable-shared-js \
 	--enable-gcgenerational \
-	--enable-optimize \
+	--disable-optimize \
 	--with-system-zlib \
 	--enable-system-ffi \
 	--with-system-icu \
@@ -122,6 +122,10 @@ tests/jstests.py -d -s --no-progress ../../js/src/js/src/shell/js
 %{_includedir}/mozjs-%{major}
 
 %changelog
+* Thu Mar 31 2016 Marek Skalicky <mskalick@redhat.com> - 38.2.1-8
+- Disable two optimizations which caused regressions with new gcc
+- Use fedora default -O2 instead of mozjs -O3
+
 * Thu Feb 04 2016 Fedora Release Engineering <releng@fedoraproject.org> - 38.2.1-7
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild