[clang] [clang-tools-extra] [llvm] [mlir] [clang][lldb][mlir] Fix some identical sub-expressions warnings (NFC) (PR #95715)

[Aaron Ballman via cfe-commits]

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@@ -96,7 +96,7 @@ bool areStatementsIdentical(const Stmt *FirstStmt, const Stmt *SecondStmt,
   if (FirstStmt == SecondStmt)
     return true;
 
-  if (FirstStmt->getStmtClass() != FirstStmt->getStmtClass())
+  if (FirstStmt->getStmtClass() != SecondStmt->getStmtClass())
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AaronBallman wrote:

This looks like a functional change, it would be good to have a test for it.

https://github.com/llvm/llvm-project/pull/95715