[C++] Implement "Deducing this" (P0847R7)

This patch implements P0847R7 (partially),
CWG2561 and CWG2653.

Reviewed By: aaron.ballman, #clang-language-wg

Differential Revision: https://reviews.llvm.org/D140828

1 files changed, 2 insertions, 2 deletions

diff --git a/clang/lib/CodeGen/CGDebugInfo.cpp b/clang/lib/CodeGen/CGDebugInfo.cpp
index 36e2928..c73a63e 100644
--- a/clang/lib/CodeGen/CGDebugInfo.cpp
+++ b/clang/lib/CodeGen/CGDebugInfo.cpp
@@ -2130,14 +2130,14 @@ CGDebugInfo::CollectTemplateParams(std::optional<TemplateArgs> OArgs,
       // attribute, i.e. that value is not available at the host side.
       if (!CGM.getLangOpts().CUDA || CGM.getLangOpts().CUDAIsDevice ||
           !D->hasAttr<CUDADeviceAttr>()) {
-        const CXXMethodDecl *MD;
         // Variable pointer template parameters have a value that is the address
         // of the variable.
         if (const auto *VD = dyn_cast<VarDecl>(D))
           V = CGM.GetAddrOfGlobalVar(VD);
         // Member function pointers have special support for building them,
         // though this is currently unsupported in LLVM CodeGen.
-        else if ((MD = dyn_cast<CXXMethodDecl>(D)) && MD->isInstance())
+        else if (const auto *MD = dyn_cast<CXXMethodDecl>(D);
+                 MD && MD->isImplicitObjectMemberFunction())
           V = CGM.getCXXABI().EmitMemberFunctionPointer(MD);
         else if (const auto *FD = dyn_cast<FunctionDecl>(D))
           V = CGM.GetAddrOfFunction(FD);