Turn on JIT for unit tests.

build/pgo/automation.py.in

@@ -306,7 +306,7 @@ user_pref("accessibility.typeaheadfind.autostart", false);
 user_pref("javascript.options.showInConsole", true);
 user_pref("layout.debug.enable_data_xbl", true);
 user_pref("browser.EULA.override", true);
-user_pref("javascript.options.jit.content", false);
+user_pref("javascript.options.jit.content", true);
 user_pref("gfx.color_management.force_srgb", true);
 
 user_pref("camino.warn_when_closing", false); // Camino-only, harmless to others

tools/test-harness/xpcshell-simple/test_all.sh

@@ -110,7 +110,7 @@ done
 
 for t in $testdir/test_*.js
 do
-    NATIVE_TOPSRCDIR="$native_topsrcdir" TOPSRCDIR="$topsrcdir" $xpcshell -s $headfiles -f $t $tailfiles 2> $t.log 1>&2
+    NATIVE_TOPSRCDIR="$native_topsrcdir" TOPSRCDIR="$topsrcdir" $xpcshell -j -s $headfiles -f $t $tailfiles 2> $t.log 1>&2
     rv="$?"
     if [ ! "$rv" = "0"  -o \
          `grep -c '\*\*\* PASS' $t.log` = 0 ]