[clang] Ensure NoTrapAfterNoreturn is false for the wasm backend (PR #65876)

[Heejin Ahn via cfe-commits]

================
@@ -1,33 +1,95 @@
-; RUN: llc < %s -asm-verbose=false -verify-machineinstrs | FileCheck %s
-; RUN: llc < %s -asm-verbose=false -fast-isel -fast-isel-abort=1 -verify-machineinstrs | FileCheck %s
+; The assertions in this file were autogenerated by
+; utils/update_llc_test_checks.py, but were hand-edited to add the
+; "end_function" lines to prevent the tests from passing when there
+; are superfluous instructions at the end of a function.
+; You can run update_llc_test_checks.py again, but please keep the
+; "end_function" lines intact when you commit.
----------------
aheejin wrote:

```suggestion
; "end_function" lines to prevent the tests from passing when there are
; superfluous instructions at the end of a function. You can run
; update_llc_test_checks.py again, but please keep the "end_function" lines
; intact when you commit.
```
Nit: 80 col wrapping

https://github.com/llvm/llvm-project/pull/65876