Do not mark BigInt is_number. Closes #1315

terser · Feb 17, 2023 · e062dc8 · e062dc8
1 parent e0acb3c
commit e062dc8
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diff --git a/lib/compress/inference.js b/lib/compress/inference.js
@@ -45,6 +45,7 @@ import {
   AST_Array,
   AST_Arrow,
   AST_Assign,
+  AST_BigInt,
   AST_Binary,
   AST_Block,
   AST_BlockStatement,
@@ -171,7 +172,7 @@ export const unary_side_effects = makePredicate("delete ++ --");
     def_is_number(AST_Number, return_true);
     const unary = makePredicate("+ - ~ ++ --");
     def_is_number(AST_Unary, function() {
-        return unary.has(this.operator);
+        return unary.has(this.operator) && !(this.expression instanceof AST_BigInt);
     });
     const numeric_ops = makePredicate("- * / % & | ^ << >> >>>");
     def_is_number(AST_Binary, function(compressor) {

diff --git a/test/compress/comparing.js b/test/compress/comparing.js
@@ -315,3 +315,16 @@ issue_2857_6: {
     }
     expect_stdout: "true"
 }
+
+bigint_vs_number: {
+    options = {
+        comparisons: true,
+    }
+    input: {
+        if (-1 !== -1n) console.log("PASS");
+    }
+    expect: {
+        if (-1 !== -1n) console.log("PASS");
+    }
+    expect_stdout: "PASS"
+}