[Clang][Sema] fix crash in codegen stage when an lambda expression declared in an unevaluated context#80802

jcsxky wants to merge 2 commits intollvm:mainllvm/llvm-project:mainfrom

jcsxky:fix_lack_transform_crash_of_unevaluated_lambdajcsxky/llvm-project:fix_lack_transform_crash_of_unevaluated_lambdaCopy head branch name to clipboard