parse `@global_defs` as expressions (#2169)

- let parser rejects non-conformant input
- eliminate need for extraneous parenthesis

1 files changed, 21 insertions, 0 deletions

diff --git a/test/compress/global_defs.js b/test/compress/global_defs.js
index d784d335..74147ded 100644
--- a/test/compress/global_defs.js
+++ b/test/compress/global_defs.js
@@ -174,3 +174,24 @@ issue_1986: {
         console.log(42);
     }
 }
+
+issue_2167: {
+    options = {
+        conditionals: true,
+        dead_code: true,
+        evaluate: true,
+        global_defs: {
+            "@isDevMode": "function(){}",
+        },
+        side_effects: true,
+    }
+    input: {
+        if (isDevMode()) {
+            greetOverlord();
+        }
+        doWork();
+    }
+    expect: {
+        doWork();
+    }
+}