Disable LTO for i686

ffmpeg.spec

@@ -349,8 +349,7 @@ This package contains development files for %{name}
     --enable-shared \\\
     %{!?_without_gpl:--enable-gpl} \\\
     --disable-debug \\\
-    --disable-stripping \\\
+    --disable-stripping
-    --enable-lto
 
 
 %prep
@@ -373,6 +372,9 @@ cp -pr doc/examples/{*.c,Makefile,README} _doc/examples/
     --disable-doc \
     --disable-ffmpeg --disable-ffplay --disable-ffprobe \
 %endif
+%ifnarch %{ix86}
+    --enable-lto \
+%endif
 %ifarch %{ix86}
     --cpu=%{_target_cpu} \
 %endif