fix corner case in inline (#5297)

fixes #5296

test/compress/drop-unused.js

@@ -1233,8 +1233,11 @@ issue_2105_2: {
 issue_2105_3: {
     options = {
         inline: true,
-        passes: 2,
+        join_vars: true,
+        passes: 3,
         reduce_vars: true,
+        side_effects: true,
+        sequences: true,
         unused: true,
     }
     input: {
@@ -1258,12 +1261,12 @@ issue_2105_3: {
         });
     }
     expect: {
-        !void void {
+        ({
             prop: function() {
-                console.log;
-                void console.log("PASS");
-            }
-        }.prop();
+                console.log,
+                console.log("PASS");
+            },
+        }).prop();
     }
     expect_stdout: "PASS"
 }

test/compress/functions.js

@@ -6152,10 +6152,8 @@ issue_4265: {
     }
     expect: {
         function f() {
-            return console, function() {
-                console.log(a);
-                var a;
-            }(), 0;
+            var a;
+            return console, console.log(a), 0;
         }
         f();
     }
@@ -8046,3 +8044,40 @@ issue_5290: {
     }
     expect_stdout: "PASS"
 }
+
+issue_5296: {
+    options = {
+        inline: true,
+    }
+    input: {
+        var a = "PASS";
+        (function() {
+            for (var i = 0; i < 2; i++)
+                try {
+                    return function() {
+                        while (!console);
+                        var b = b && (a = b) || "FAIL";
+                    }();
+                } finally {
+                    continue;
+                }
+        })();
+        console.log(a);
+    }
+    expect: {
+        var a = "PASS";
+        (function() {
+            for (var i = 0; i < 2; i++)
+                try {
+                    b = void 0;
+                    while (!console);
+                    var b = b && (a = b) || "FAIL";
+                    return;
+                } finally {
+                    continue;
+                }
+        })();
+        console.log(a);
+    }
+    expect_stdout: "PASS"
+}

test/compress/if_return.js

@@ -595,10 +595,10 @@ issue_3600_2: {
     expect: {
         var c = 0;
         (function() {
-            if ([][c++]) {
-                var b = --b;
+            if ([][c++])
+                b = --b,
                 c = 42;
-            }
+            var b;
         })();
         console.log(c);
     }