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authorAlex Lam S.L <alexlamsl@gmail.com>2017-03-26 13:32:43 +0800
committerGitHub <noreply@github.com>2017-03-26 13:32:43 +0800
commit94f84727ce454c3ecf5206ac79dba4a21ec6deb6 (patch)
tree6f62d268cc989bd842159958dae92e9fca78171e /test
parent8a4f86528f5b5c3a0ee0a709ed3a6b908706a5c3 (diff)
downloadtracifyjs-94f84727ce454c3ecf5206ac79dba4a21ec6deb6.tar.gz
tracifyjs-94f84727ce454c3ecf5206ac79dba4a21ec6deb6.zip
suppress switch branch de-duplication upon side effects (#1682)
fixes #1679
Diffstat (limited to 'test')
-rw-r--r--test/compress/switch.js47
1 files changed, 47 insertions, 0 deletions
diff --git a/test/compress/switch.js b/test/compress/switch.js
index 7d3d7d13..481257aa 100644
--- a/test/compress/switch.js
+++ b/test/compress/switch.js
@@ -434,3 +434,50 @@ issue_1674: {
}
expect_stdout: "PASS"
}
+
+issue_1679: {
+ options = {
+ dead_code: true,
+ evaluate: true,
+ }
+ input: {
+ var a = 100, b = 10;
+ function f() {
+ switch (--b) {
+ default:
+ case !function x() {}:
+ break;
+ case b--:
+ switch (0) {
+ default:
+ case a--:
+ }
+ break;
+ case (a++):
+ break;
+ }
+ }
+ f();
+ console.log(a, b);
+ }
+ expect: {
+ var a = 100, b = 10;
+ function f() {
+ switch (--b) {
+ default:
+ case !function x() {}:
+ break;
+ case b--:
+ switch (0) {
+ default:
+ case a--:
+ }
+ break;
+ case (a++):
+ }
+ }
+ f();
+ console.log(a, b);
+ }
+ expect_stdout: true
+}