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tweak test & warnings (#5123)

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closes #5116
closes #5117
closes #5122
This commit is contained in:
Alex Lam S.L
2021-09-06 18:33:23 +01:00
committed by GitHub
parent c3aef23614
commit 4b88dfb8d9
2 changed files with 40 additions and 38 deletions
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15
lib/compress.js
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@@ -3716,12 +3716,8 @@ merge(Compressor.prototype, {
}
function extract_declarations_from_unreachable_code(compressor, stat, target) {
if (!(stat instanceof AST_DefClass
|| stat instanceof AST_Definitions
|| stat instanceof AST_LambdaDefinition)) {
AST_Node.warn("Dropping unreachable code [{file}:{line},{col}]", stat.start);
}
var block;
var dropped = false;
stat.walk(new TreeWalker(function(node, descend) {
if (node instanceof AST_DefClass) {
node.extends = null;
@@ -3750,16 +3746,17 @@ merge(Compressor.prototype, {
block = [];
descend();
if (block.required) {
target.push(make_node(AST_BlockStatement, stat, {
body: block
}));
target.push(make_node(AST_BlockStatement, stat, { body: block }));
} else if (block.length) {
[].push.apply(target, block);
}
block = save;
return true;
}
if (!(node instanceof AST_LoopControl)) dropped = true;
}));
if (dropped) AST_Node.warn("Dropping unreachable code [{file}:{line},{col}]", stat.start);
function push(node) {
if (block) {
block.push(node);
@@ -6709,7 +6706,7 @@ merge(Compressor.prototype, {
if (tail.length == 0) break;
if (tail.length == duplicated) {
[].unshift.apply(side_effects, tail.map(function(def) {
AST_Node.warn("Dropping duplicated definition of variable {name} [{file}:{line},{col}]", template(def.name));
AST_Node.info("Dropping duplicated definition of variable {name} [{file}:{line},{col}]", template(def.name));
var sym = def.name.definition();
var ref = make_node(AST_SymbolRef, def.name, def.name);
sym.references.push(ref);