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fix corner case in ie8 (#3198)

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fixes #3197
This commit is contained in:
Alex Lam S.L
2018-06-22 19:41:55 +08:00
committed by alexlamsl
parent 28330913d8
commit ab36b9b10a
2 changed files with 137 additions and 12 deletions
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11
lib/scope.js
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@@ -132,10 +132,7 @@ AST_Toplevel.DEFMETHOD("figure_out_scope", function(options) {
node.thedef = node;
node.references = [];
}
if (node instanceof AST_SymbolLambda) {
defun.def_function(node, node.name == "arguments" ? undefined : defun);
}
else if (node instanceof AST_SymbolDefun) {
if (node instanceof AST_SymbolDefun || options.ie8 && node instanceof AST_SymbolLambda) {
// Careful here, the scope where this should be defined is
// the parent scope. The reason is that we enter a new
// scope when we encounter the AST_Defun node (which is
@@ -143,6 +140,9 @@ AST_Toplevel.DEFMETHOD("figure_out_scope", function(options) {
// later.
(node.scope = defun.parent_scope).def_function(node, defun);
}
else if (node instanceof AST_SymbolLambda) {
defun.def_function(node, node.name == "arguments" ? undefined : defun);
}
else if (node instanceof AST_SymbolVar) {
defun.def_variable(node, node.TYPE == "SymbolVar" ? null : undefined);
if (defun !== scope) {
@@ -349,9 +349,6 @@ function next_mangled_name(scope, options, def) {
holes.push(scope.cname);
}
scope.names_in_use[name] = true;
if (options.ie8 && def.orig[0] instanceof AST_SymbolLambda) {
names_in_use(scope.parent_scope, options)[name] = true;
}
return name;
}