fix & enhance `unsafe_math` (#3537)

closes #3535
fixes #3536

1 files changed, 19 insertions, 1 deletions

diff --git a/test/compress/numbers.js b/test/compress/numbers.js
index 7946ba8a..63a100b7 100644
--- a/test/compress/numbers.js
+++ b/test/compress/numbers.js
@@ -713,7 +713,7 @@ issue_3531_1: {
     }
     expect: {
         var a = "1";
-        console.log(typeof (a + 1 - (.2 + .1)));
+        console.log(typeof (a + 1 - .3));
     }
     expect_stdout: "number"
 }
@@ -747,3 +747,21 @@ issue_3531_3: {
     }
     expect_stdout: "-22"
 }
+
+issue_3536: {
+    options = {
+        evaluate: true,
+        unsafe_math: true,
+    }
+    input: {
+        var a = 100, b = 10;
+        var c = --a + ("23" - (b++, 1));
+        console.log(typeof c, a, b, c);
+    }
+    expect: {
+        var a = 100, b = 10;
+        var c = --a + ("23" - (b++, 1));
+        console.log(typeof c, a, b, c);
+    }
+    expect_stdout: "number 99 11 121"
+}