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-rw-r--r--.travis.yml5
1 files changed, 5 insertions, 0 deletions
diff --git a/.travis.yml b/.travis.yml
index bc94d34c58..60e354c4a1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -91,6 +91,11 @@ matrix:
# Ruby-head (we want to know how we're doing, but not fail the build)
- rvm: ruby-head
env: RGV=master
+ # Ruby-head with enabled frozen string literal
+ - rvm: ruby-head
+ env:
+ - RGV=master
+ - RUBYOPT="--enable-frozen-string-literal --debug=frozen-string-literal"
allow_failures:
- rvm: 1.8.7
env: RGV=v2.1.11