[llvm] [WebAssembly] Allow AsmTypeCheck detect multiple errors in function (PR #109705)

[Derek Schuff via llvm-commits]

https://github.com/dschuff approved this pull request.

LGTM; maybe also clarify the commit message to say this is the behavior of the validators (rather than the parser, as mentioned upthread)

https://github.com/llvm/llvm-project/pull/109705