[sema] enhance error handling for compound stmt body in `StmtExpr`#113760

HerrCai0907 merged 2 commits intollvm:mainllvm/llvm-project:mainfrom

HerrCai0907:113468-clang-assertion-e-getlhs-gettype-isintegralorenumerationtype-HerrCai0907/llvm-project:113468-clang-assertion-e-getlhs-gettype-isintegralorenumerationtype-Copy head branch name to clipboard