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authorAlex Lam S.L <alexlamsl@gmail.com>2021-02-04 20:49:37 +0000
committerGitHub <noreply@github.com>2021-02-05 04:49:37 +0800
commitda24dfb59ea9c67d98f39daab4299b75c15978ea (patch)
tree1bfe2aa0bb32ed5a577327a1476f95d0014af877 /lib
parenta2f27c7640fee2c981b49ee484a37e1721622bb3 (diff)
downloadtracifyjs-da24dfb59ea9c67d98f39daab4299b75c15978ea.tar.gz
tracifyjs-da24dfb59ea9c67d98f39daab4299b75c15978ea.zip
fix corner cases with function inlining (#4613)
fixes #4612
Diffstat (limited to 'lib')
-rw-r--r--lib/compress.js10
1 files changed, 8 insertions, 2 deletions
diff --git a/lib/compress.js b/lib/compress.js
index dbd3dd35..5e18e52c 100644
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -4330,6 +4330,7 @@ merge(Compressor.prototype, {
if (ignore_side_effects) {
fn.walk(scan_modified);
var found = false;
+ fn.evaluating = true;
walk_body(fn, new TreeWalker(function(node) {
if (found) return true;
if (node instanceof AST_Return) {
@@ -4340,6 +4341,7 @@ merge(Compressor.prototype, {
}
if (node instanceof AST_Scope && node !== fn) return true;
}));
+ delete fn.evaluating;
if (!found) return;
}
return this;
@@ -4999,6 +5001,7 @@ merge(Compressor.prototype, {
var stat = self.body[i];
if (stat instanceof AST_Directive) continue;
if (stat instanceof AST_Return) {
+ if (i != self.body.length - 1) break;
var call = stat.value;
if (!call || call.TYPE != "Call") break;
if (call.is_expr_pure(compressor)) break;
@@ -8323,9 +8326,12 @@ merge(Compressor.prototype, {
return parent ? maintain_this_binding(compressor, parent, node, arg) : arg;
}
})));
+ var save_inlined = fn.inlined;
+ if (exp !== fn) fn.inlined = true;
var node = make_sequence(self, args.filter(function(arg) {
return arg;
})).optimize(compressor);
+ fn.inlined = save_inlined;
node = maintain_this_binding(compressor, compressor.parent(), compressor.self(), node);
if (replacing || best_of_expression(node, self) === node) {
refs.forEach(function(ref) {
@@ -9788,8 +9794,8 @@ merge(Compressor.prototype, {
single_use = fixed.is_constant_expression(self.scope);
if (single_use == "f") {
var scope = self.scope;
- do if (is_defun(scope) || is_function(scope)) {
- scope.inlined = true;
+ do {
+ if (is_defun(scope) || is_function(scope)) scope.inlined = true;
} while (scope = scope.parent_scope);
}
} else if (fixed.name && fixed.name.name == "await" && is_async(fixed)) {