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fix corner case in inline (#3608)

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This commit is contained in:
Alex Lam S.L
2019-11-27 14:54:36 +08:00
committed by GitHub
parent 292d1de363
commit e27493f3c2
2 changed files with 171 additions and 0 deletions
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9
lib/compress.js
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@@ -6444,6 +6444,15 @@ merge(Compressor.prototype, {
fixed = make_node(AST_Function, fixed, fixed);
fixed.name = make_node(AST_SymbolLambda, fixed.name, fixed.name);
}
if (fixed instanceof AST_Lambda) {
var scope = self.scope;
fixed.enclosed.forEach(function(def) {
if (fixed.variables.has(def.name)) return;
if (scope.var_names()[def.name]) return;
scope.enclosed.push(def);
scope.var_names()[def.name] = true;
});
}
var value;
if (def.recursive_refs > 0) {
value = fixed.clone(true);

162
test/compress/functions.js
View File

@@ -3594,3 +3594,165 @@ inline_use_strict: {
}
expect_stdout: "foobar"
}
pr_3595_1: {
options = {
collapse_vars: false,
inline: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
var g = [ "PASS" ];
function problem(arg) {
return g.indexOf(arg);
}
function unused(arg) {
return problem(arg);
}
function a(arg) {
return problem(arg);
}
function b(problem) {
return g[problem];
}
function c(arg) {
return b(a(arg));
}
console.log(c("PASS"));
}
expect: {
var g = [ "PASS" ];
function problem(arg) {
return g.indexOf(arg);
}
console.log((arg = "PASS", function(problem) {
return g[problem];
}(function(arg) {
return problem(arg);
}(arg))));
var arg;
}
expect_stdout: "PASS"
}
pr_3595_2: {
options = {
collapse_vars: true,
inline: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
var g = [ "PASS" ];
function problem(arg) {
return g.indexOf(arg);
}
function unused(arg) {
return problem(arg);
}
function a(arg) {
return problem(arg);
}
function b(problem) {
return g[problem];
}
function c(arg) {
return b(a(arg));
}
console.log(c("PASS"));
}
expect: {
var g = [ "PASS" ];
function problem(arg) {
return g.indexOf(arg);
}
console.log(function(problem) {
return g[problem];
}(function(arg) {
return problem(arg);
}("PASS")));
}
expect_stdout: "PASS"
}
pr_3595_3: {
options = {
collapse_vars: true,
inline: true,
passes: 2,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
var g = [ "PASS" ];
function problem(arg) {
return g.indexOf(arg);
}
function unused(arg) {
return problem(arg);
}
function a(arg) {
return problem(arg);
}
function b(problem) {
return g[problem];
}
function c(arg) {
return b(a(arg));
}
console.log(c("PASS"));
}
expect: {
var g = [ "PASS" ];
console.log(function(problem) {
return g[problem];
}(function(arg) {
return g.indexOf(arg);
}("PASS")));
}
expect_stdout: "PASS"
}
pr_3595_4: {
options = {
collapse_vars: true,
inline: true,
passes: 3,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
var g = [ "PASS" ];
function problem(arg) {
return g.indexOf(arg);
}
function unused(arg) {
return problem(arg);
}
function a(arg) {
return problem(arg);
}
function b(problem) {
return g[problem];
}
function c(arg) {
return b(a(arg));
}
console.log(c("PASS"));
}
expect: {
var g = [ "PASS" ];
console.log((problem = g.indexOf("PASS"), g[problem]));
var problem;
}
expect_stdout: "PASS"
}