Fix another typo

posts/2024/07/mining-jit-traces-missing-optimizations-z3.md

@@ -220,7 +220,7 @@ inefficiencies. Here's a few examples:
  already in place, so this will be a relatively easy fix).
 - `(x & 0xffffffff) | ((x >> 32) << 32) == x`. Having the JIT optimize this
  would maybe require first recognizing that `(x >> 32) << 32` can be expressed
- as a mask: `(x & 0xffffffff00000000)`, and then using `(x & c1) | (x & c1) ==
+ as a mask: `(x & 0xffffffff00000000)`, and then using `(x & c1) | (x & c2) ==
  x & (c1 | c2)`
 - A commonly occurring pattern is variations of this one:
  `((x & 1345) ^ 2048) - 2048 == x & 1345` (with different constants, of