Maintain disambiguation when generating new functions in StackToMemoryMover.

2023-10-03 13:03:40 +00:00 · 2021-06-28 18:11:57 +02:00
parent 17d69e2b99
commit c341445f8e
2 changed files with 45 additions and 1 deletions
@@ -0,0 +1,38 @@
+{
+    {
+        mstore(0x40, memoryguard(0x80))
+        sstore(0, f(1,2,3))
+    }
+    function f(a, b, c) -> $b1 {
+        if calldataload(add(sub(a,b),c)) {
+            $b1 := 0
+            leave
+        }
+        $b1 := 1
+    }
+
+}
+// ----
+// step: fakeStackLimitEvader
+//
+// {
+//     {
+//         mstore(0x40, memoryguard(0xa0))
+//         sstore(0, f(1, 2, 3))
+//     }
+//     function f(a_2, b_3, c_4) -> $b1
+//     {
+//         mstore(0x80, 0)
+//         f_1(a_2, b_3, c_4)
+//         $b1 := mload(0x80)
+//     }
+//     function f_1(a, b, c)
+//     {
+//         if calldataload(add(sub(a, b), c))
+//         {
+//             mstore(0x80, 0)
+//             leave
+//         }
+//         mstore(0x80, 1)
+//     }
+// }