|author||Heejin Ahn <email@example.com>||Sat Jun 03 09:28:25 2023|
|committer||Heejin Ahn <firstname.lastname@example.org>||Thu Jun 08 23:59:49 2023|
[WebAssembly] Error out on invalid personality functions Without explicitly checking and erroring out, an invalid personality function, which is not `__gxx_wasm_personality_v0`, caused a segmentation fault down the line because `WasmEHFuncInfo` was not created. This explicitly checks the validity of personality functions in functions with EH pads and errors out explicitly with a helpful error message. This also adds some more assertions to ensure `WasmEHFuncInfo` is correctly created and non-null. Invalid personality functions wouldn't be generated by our Clang, but can be present in handwritten ll files, and more often, in files transformed by passes like `metarenamer`, which is often used with `bugpoint` to simplify names in `bugpoint`-reduced files. Reviewed By: dschuff Differential Revision: https://reviews.llvm.org/D152203
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