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Chris Tate
5b964e244c
Clang has no __builtin_setjmp lowering for AArch64, so scr_wasm.c did not compile under AddressSanitizer on macOS arm64. Sanitized AArch64 builds now use an uninstrumented setjmp/longjmp pair that saves the callee-preserved registers, sp and the frame and link registers; like the builtin pair, no runtime intercepts it, and scr_wasm_trap still unpoisons the abandoned frames.