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authorAlex Lam S.L <alexlamsl@gmail.com>2019-11-12 05:16:14 +0800
committerGitHub <noreply@github.com>2019-11-12 05:16:14 +0800
commit5b20bad4b360dc58d66be0143d739ac3cfad9bfe (patch)
tree35e47df71aeabd482e000ecf6cc3203b417e3ecb /test/compress/dead-code.js
parent765a06340fa7e9779701d1f9941c45fa5c8be819 (diff)
downloadtracifyjs-5b20bad4b360dc58d66be0143d739ac3cfad9bfe.tar.gz
tracifyjs-5b20bad4b360dc58d66be0143d739ac3cfad9bfe.zip
fix corner case in `dead_code` (#3579)
fixes #3578
Diffstat (limited to 'test/compress/dead-code.js')
-rw-r--r--test/compress/dead-code.js27
1 files changed, 27 insertions, 0 deletions
diff --git a/test/compress/dead-code.js b/test/compress/dead-code.js
index abc7384d..d4832c73 100644
--- a/test/compress/dead-code.js
+++ b/test/compress/dead-code.js
@@ -1102,3 +1102,30 @@ catch_return_assign: {
}
expect_stdout: "PASS"
}
+
+issue_3578: {
+ options = {
+ dead_code: true,
+ }
+ input: {
+ var a = "FAIL", b, c;
+ try {
+ b = c.p = b = 0;
+ } catch (e) {
+ b += 42;
+ b && (a = "PASS");
+ }
+ console.log(a);
+ }
+ expect: {
+ var a = "FAIL", b, c;
+ try {
+ b = c.p = b = 0;
+ } catch (e) {
+ b += 42;
+ b && (a = "PASS");
+ }
+ console.log(a);
+ }
+ expect_stdout: "PASS"
+}