[clang-tools-extra] [clang-tidy][NFC] Enable `bugprone-unchecked-optional-access` in `clang-tidy` config and fix warnings (PR #170004)

[Baranov Victor via cfe-commits]

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@@ -1688,8 +1690,9 @@ class PassedToSameFunction {
           TargetIdx.emplace(Idx);
 
       assert(TargetIdx && "Matched, but didn't find index?");
-      TargetParams[PassedParamOfThisFn].insert(
-          {CalledFn->getCanonicalDecl(), *TargetIdx});
+      if (TargetIdx)
+        TargetParams[PassedParamOfThisFn].insert(
+            {CalledFn->getCanonicalDecl(), *TargetIdx});
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vbvictor wrote:

Same assert didn't work

https://github.com/llvm/llvm-project/pull/170004