Travis: Use opcache in release build

Our debug builds on Travis are often timing out recently. Opcache
causes quite a large performance hit on test run times, so move it
over to the release build, where it should have less impact.

diff --git a/.travis.yml b/.travis.yml
index 527ae8db3257650cb78732de57a76e58ff74d0b8..7024013fa3f0f90a393065111d22e79988366e20 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -57,4 +57,4 @@ before_script:
 
 # Run PHPs run-tests.php 
 script:
-    - ./sapi/cli/php run-tests.php -p `pwd`/sapi/cli/php $(if [ $ENABLE_DEBUG == 1 ]; then echo "-d opcache.enable_cli=1 -d zend_extension=`pwd`/modules/opcache.so"; fi) -g "FAIL,XFAIL,BORK,WARN,LEAK,SKIP" --offline --show-diff --set-timeout 120
+    - ./sapi/cli/php run-tests.php -p `pwd`/sapi/cli/php $(if [ $ENABLE_DEBUG == 0 ]; then echo "-d opcache.enable_cli=1 -d zend_extension=`pwd`/modules/opcache.so"; fi) -g "FAIL,XFAIL,BORK,WARN,LEAK,SKIP" --offline --show-diff --set-timeout 120