| Filename | Latest commit message | Latest commit date |
|---|---|---|
Jorijn van der Graaf
70ff11d0a1
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-mllvm -wasm-enable-sjlj, in every wasm compile because setjmp.h does not compile without it, turns setjmp and longjmp into calls to __wasm_setjmp, __wasm_setjmp_test and __wasm_longjmp and a throw of the __c_longjmp tag, all of which live in wasi-libc's libsetjmp. The driver does not link it, so a program that used setjmp, or a C library that handles its errors that way, failed to link with undefined __wasm_setjmp until the project put -lsetjmp in its linkFlags. Build() adds it to every wasm link, next to -lunwind. A static archive contributes only the members something references, so a program without setjmp gets nothing from it, and every sysroot that passes the exception check ships it. WasmExceptions drops its own -lsetjmp, and its C fixture now fails to link without this. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> |
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