[clang] [clang-tools-extra] [clang] Compute accurate begin location for CallExpr with explicit object parameter (PR #117841)

[Nathan Ridge via cfe-commits]

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@@ -1639,11 +1639,19 @@ SourceLocation CallExpr::getBeginLoc() const {
   if (const auto *OCE = dyn_cast<CXXOperatorCallExpr>(this))
     return OCE->getBeginLoc();
 
+  if (const auto *Method =
+          dyn_cast_if_present<const CXXMethodDecl>(getCalleeDecl());
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HighCommander4 wrote:

Sorry, I'm not quite following this suggestion. What am I supposed to do with `Offset`?

https://github.com/llvm/llvm-project/pull/117841