[llvm] Supports viewing class member variables in lambda when using the vs debugger (PR #71564)

[via llvm-commits]

https://github.com/GkvJwa updated https://github.com/llvm/llvm-project/pull/71564

>From 5575f62f92772c15dcf11fb2ec2da1a0f3fcee87 Mon Sep 17 00:00:00 2001
From: GkvJwa <gkvjwa at gmail.com>
Date: Wed, 8 Nov 2023 01:37:19 +0800
Subject: [PATCH] Supports viewing class member in lambda when using the vs
 debugger

Use "__this" in DataMemberRecord, make vs debugger can be parsed normally
---
 llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
index 3a9d5fa3b936e0e..7d5a58a09eb8e99 100644
--- a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
@@ -2605,6 +2605,10 @@ CodeViewDebug::lowerRecordFieldList(const DICompositeType *Ty) {
       MemberBaseType = TypeTable.writeLeafType(BFR);
     }
     uint64_t MemberOffsetInBytes = MemberOffsetInBits / 8;
+    if (Ty->getName().find("<lambda") != std::string::npos &&
+        MemberName == "this") {
+      MemberName = "__this";
+    }
     DataMemberRecord DMR(Access, MemberBaseType, MemberOffsetInBytes,
                          MemberName);
     ContinuationBuilder.writeMemberType(DMR);