[clang] [clang][CGDebugInfo] Don't generate an implicit 'this' parameter if one was specified explicitly (PR #100767)

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<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


:warning: C/C++ code formatter, clang-format found issues in your code. :warning:

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git-clang-format --diff 56c4ec92024ae9a425d29599d27885e4d45a309f 427fe3468534d31778ae361cc057dad817ecffea --extensions cpp -- clang/test/CodeGenCXX/debug-info-explicit-this.cpp clang/lib/CodeGen/CGDebugInfo.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/CodeGen/CGDebugInfo.cpp b/clang/lib/CodeGen/CGDebugInfo.cpp
index ac31f5ce8a..b49dee24c3 100644
--- a/clang/lib/CodeGen/CGDebugInfo.cpp
+++ b/clang/lib/CodeGen/CGDebugInfo.cpp
@@ -1979,7 +1979,8 @@ llvm::DISubroutineType *CGDebugInfo::getOrCreateInstanceMethodType(
   Elts.push_back(Args[0]);
 
   // "this" pointer is always first argument.
-  // ThisPtr may be null if the member function has an explicit 'this' parameter.
+  // ThisPtr may be null if the member function has an explicit 'this'
+  // parameter.
   if (!ThisPtr.isNull()) {
     const CXXRecordDecl *RD = ThisPtr->getPointeeCXXRecordDecl();
     if (isa<ClassTemplateSpecializationDecl>(RD)) {

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https://github.com/llvm/llvm-project/pull/100767