safer `properties` transform (#2391)

`{ a: x, b: y }.a` => `[ x, y ][0]`
- `x` cannot be function containing `this`

`[ x, y, z ][1]` => `(x, z, y)`
- only if `z` is side-effect-free

1 files changed, 0 insertions, 67 deletions

diff --git a/test/compress/collapse_vars.js b/test/compress/collapse_vars.js
index 52b2ddf8..1f702ad7 100644
--- a/test/compress/collapse_vars.js
+++ b/test/compress/collapse_vars.js
@@ -2534,73 +2534,6 @@ issue_2319_3: {
     expect_stdout: "true"
 }
 
-prop_side_effects_1: {
-    options = {
-        collapse_vars: true,
-        evaluate: true,
-        pure_getters: "strict",
-        reduce_vars: true,
-        toplevel: true,
-        unsafe: true,
-        unused: true,
-    }
-    input: {
-        var C = 1;
-        console.log(C);
-        var obj = {
-            bar: function() {
-                return C + C;
-            }
-        };
-        console.log(obj.bar());
-    }
-    expect: {
-        console.log(1);
-        console.log({
-            bar: function() {
-                return 2;
-            }
-        }.bar());
-    }
-    expect_stdout: [
-        "1",
-        "2",
-    ]
-}
-
-prop_side_effects_2: {
-    options = {
-        collapse_vars: true,
-        evaluate: true,
-        inline: true,
-        passes: 2,
-        pure_getters: "strict",
-        reduce_vars: true,
-        side_effects: true,
-        toplevel: true,
-        unsafe: true,
-        unused: true,
-    }
-    input: {
-        var C = 1;
-        console.log(C);
-        var obj = {
-            bar: function() {
-                return C + C;
-            }
-        };
-        console.log(obj.bar());
-    }
-    expect: {
-        console.log(1);
-        console.log(2);
-    }
-    expect_stdout: [
-        "1",
-        "2",
-    ]
-}
-
 issue_2365: {
     options = {
         collapse_vars: true,