From 25fc02743af0e3fec6b10ffdb5cee3b7f22b9889 Mon Sep 17 00:00:00 2001
From: kzc <zaxxon2011@gmail.com>
Date: Thu, 1 Sep 2016 09:24:56 -0400
Subject: Account for side effects in `string + expr` optimization

---
 test/compress/issue-1275.js | 49 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 test/compress/issue-1275.js

(limited to 'test/compress')

diff --git a/test/compress/issue-1275.js b/test/compress/issue-1275.js
new file mode 100644
index 00000000..e88e284c
--- /dev/null
+++ b/test/compress/issue-1275.js
@@ -0,0 +1,49 @@
+string_plus_optimization: {
+    options = {
+        side_effects  : true,
+        evaluate      : true,
+        conditionals  : true,
+        comparisons   : true,
+        dead_code     : true,
+        booleans      : true,
+        unused        : true,
+        if_return     : true,
+        join_vars     : true,
+        cascade       : true,
+        hoist_funs    : true,
+    };
+    input: {
+        function foo(anything) {
+            function throwing_function() {
+                throw "nope";
+            }
+            try {
+                console.log('0' + throwing_function() ? "yes" : "no");
+            } catch (ex) {
+                console.log(ex);
+            }
+            console.log('0' + anything ? "yes" : "no");
+            console.log(anything + '0' ? "Yes" : "No");
+            console.log('' + anything);
+            console.log(anything + '');
+        }
+        foo();
+    }
+    expect: {
+        function foo(anything) {
+            function throwing_function() {
+                throw "nope";
+            }
+            try {
+                console.log('0' + throwing_function() ? "yes" : "no");
+            } catch (ex) {
+                console.log(ex);
+            }
+            console.log("yes");
+            console.log("Yes");
+            console.log('' + anything);
+            console.log(anything + '');
+        }
+        foo();
+    }
+}
-- 
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