diff options
-rw-r--r-- | lib/compress.js | 4 | ||||
-rw-r--r-- | test/compress/issue-1443.js | 69 |
2 files changed, 70 insertions, 3 deletions
diff --git a/lib/compress.js b/lib/compress.js index 04aa1072..a15206e8 100644 --- a/lib/compress.js +++ b/lib/compress.js @@ -2721,13 +2721,11 @@ merge(Compressor.prototype, { var scope = compressor.find_parent(AST_Scope); var undef = scope.find_variable("undefined"); if (undef) { - var ref = make_node(AST_SymbolRef, self, { + return make_node(AST_SymbolRef, self, { name : "undefined", scope : scope, thedef : undef }); - ref.reference(); - return ref; } } return self; diff --git a/test/compress/issue-1443.js b/test/compress/issue-1443.js new file mode 100644 index 00000000..a2565872 --- /dev/null +++ b/test/compress/issue-1443.js @@ -0,0 +1,69 @@ +// tests assume that variable `undefined` not redefined and has `void 0` as value + +unsafe_undefined: { + options = { + if_return: true, + unsafe: true + } + mangle = {} + input: { + function f(undefined) { + return function() { + if (a) + return b; + if (c) + return d; + }; + } + } + expect: { + function f(n) { + return function() { + if (a) + return b; + if (c) + return d; + else + return n; + }; + } + } +} + +keep_fnames: { + options = { + if_return: true, + unsafe: true + } + mangle = { + keep_fnames: true + } + input: { + function f(undefined) { + return function() { + function n(a) { + return a * a; + } + if (a) + return b; + if (c) + return d; + }; + } + } + expect: { + function f(r) { + return function() { + function n(n) { + return n * n; + } + if (a) + return b; + if (c) + return d; + else + return r; + }; + } + } +} |