[clang] [alpha.webkit.UncountedCallArgsChecker] Check the safety of the object argument in a member function call. (PR #81400)

[Ryosuke Niwa via cfe-commits]

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@@ -70,6 +70,15 @@ class UncountedCallArgsChecker
       // or std::function call operator).
       unsigned ArgIdx = isa<CXXOperatorCallExpr>(CE) && 
isa_and_nonnull<CXXMethodDecl>(F);
 
+      if (auto *MemberCallExpr = dyn_cast<CXXMemberCallExpr>(CE)) {
+        auto *E = MemberCallExpr->getImplicitObjectArgument();
+        auto *ArgType = MemberCallExpr->getObjectType().getTypePtrOrNull();
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rniwa wrote:

Ah, okay. Will do that.

https://github.com/llvm/llvm-project/pull/81400
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