On Tue, Jul 28, 2026 at 09:10:54AM -0400, Greg Burd wrote: > * clang for aarch64-w64-windows-gnu does not implement > __builtin_setjmp at all; and
Does clang for x86-64 implement it? > So on this toolchain the plain setjmp()/longjmp() fallback is not merely > a compile fix -- it is runtime-correct. The original MinGW-64 > setjmp/longjmp defect that 146cb3889c3 works around appears to be > specific to the x86_64 GCC MinGW toolchain and not present in > clang-aarch64-mingw, which has its own setjmp lowering. I have not > tested a GCC-based aarch64 MinGW toolchain. Testing on aarch64/gcc/mingw seems like an important step. -- nathan
