[llvm] Fix: Distinguish CFI Metadata Checks in MergeFunctions Pass (PR #65963)

[Duncan P. N. Exon Smith via llvm-commits]

================
@@ -404,7 +430,7 @@ bool MergeFunctions::runOnModule(Module &M) {
     // If the hash value matches the previous value or the next one, we must
     // consider merging it. Otherwise it is dropped and never considered again.
     if ((I != S && std::prev(I)->first == I->first) ||
-        (std::next(I) != IE && std::next(I)->first == I->first) ) {
+        (std::next(I) != IE && std::next(I)->first == I->first)) {
----------------
dexonsmith wrote:

The GitHub pull request interface requires "squashing", so if you don't have commit access to push this separately, it'd be better just to leave it out. Sorry for the churn!

https://github.com/llvm/llvm-project/pull/65963