this.write_only = !exp.has_side_effects(compressor);
return this;
}
- if (this.operator == "typeof" && exp instanceof AST_SymbolRef) {
- if (drop_symbol(exp)) return null;
- if (exp.is_declared(compressor)) return exp;
- }
+ if (this.operator == "typeof" && exp instanceof AST_SymbolRef && drop_symbol(exp)) return null;
var node = exp.drop_side_effect_free(compressor, first_in_statement);
if (first_in_statement && node && is_iife_call(node)) {
if (node === exp && this.operator == "!") return this;
function redefine(node, scope) {
var name = node.name;
var old_def = node.thedef;
+ if (!all(old_def.orig, function(sym) {
+ return !(sym instanceof AST_SymbolConst || sym instanceof AST_SymbolLet);
+ })) return;
var new_def = scope.find_variable(name);
if (new_def) {
var redef = new_def.redefined();
node.redef = true;
node.thedef = new_def;
node.reference(options);
- if (node instanceof AST_SymbolConst || node instanceof AST_SymbolLet) new_def.orig.push(node);
});
if (old_def.lambda) new_def.lambda = true;
if (new_def.undeclared) self.variables.set(name, new_def);
}
expect: {
try {} catch (a) {}
- console.log(function a() {
+ console.log(function() {
}());
}
expect_stdout: "undefined"
}
expect_stdout: true
}
+
+issue_4231: {
+ options = {
+ ie8: true,
+ side_effects: true,
+ }
+ input: {
+ typeof a == 0;
+ console.log(typeof function a() {
+ const a = 0;
+ });
+ }
+ expect: {
+ console.log(typeof function a() {
+ const a = 0;
+ });
+ }
+ expect_stdout: "function"
+}
expect_stdout: "PASS"
node_version: ">=4"
}
+
+issue_4231: {
+ options = {
+ ie8: true,
+ side_effects: true,
+ }
+ input: {
+ "use strict";
+ typeof a == 0;
+ console.log(typeof function a() {
+ let a;
+ });
+ }
+ expect: {
+ "use strict";
+ console.log(typeof function a() {
+ let a;
+ });
+ }
+ expect_stdout: "function"
+ node_version: ">=4"
+}