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-rw-r--r--lib/compress.js2
-rw-r--r--test/compress/collapse_vars.js38
2 files changed, 39 insertions, 1 deletions
diff --git a/lib/compress.js b/lib/compress.js
index 907c9e75..cfbafbe4 100644
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -1468,7 +1468,7 @@ merge(Compressor.prototype, {
if (node instanceof AST_Call) {
var fn = node.expression;
if (fn instanceof AST_SymbolRef) {
- if (fn.definition().recursive_refs > 0) return true;
+ if (recursive_ref(compressor, fn.definition())) return true;
fn = fn.fixed_value();
}
if (!(fn instanceof AST_Lambda)) return true;
diff --git a/test/compress/collapse_vars.js b/test/compress/collapse_vars.js
index 71c3a147..dcc95b23 100644
--- a/test/compress/collapse_vars.js
+++ b/test/compress/collapse_vars.js
@@ -8242,3 +8242,41 @@ issue_3971: {
}
expect_stdout: "1"
}
+
+issue_3976: {
+ options = {
+ collapse_vars: true,
+ conditionals: true,
+ evaluate: true,
+ inline: true,
+ reduce_vars: true,
+ unused: true,
+ }
+ input: {
+ function f() {
+ console.log("FAIL");
+ }
+ (function(a) {
+ function g() {
+ if ((a = 0) || f(0)) {
+ f();
+ } else {
+ f();
+ }
+ if (h(a = 0));
+ }
+ function h() {
+ g();
+ }
+ })();
+ console.log("PASS");
+ }
+ expect: {
+ function f() {
+ console.log("FAIL");
+ }
+ void 0;
+ console.log("PASS");
+ }
+ expect_stdout: "PASS"
+}