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

[Yanzuo Liu via cfe-commits]

================
@@ -1639,6 +1639,13 @@ SourceLocation CallExpr::getBeginLoc() const {
   if (const auto *OCE = dyn_cast<CXXOperatorCallExpr>(this))
     return OCE->getBeginLoc();
 
+  if (const CXXMethodDecl *Method =
+          dyn_cast_or_null<const CXXMethodDecl>(getCalleeDecl());
----------------
zwuis wrote:

```suggestion
          dyn_cast_if_present<const CXXMethodDecl>(getCalleeDecl());
```


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