Peter Maydell <[email protected]> writes:
> In cpu_exec() we have a longstanding workaround for compilers which > do not correctly implement the part of the sigsetjmp()/siglongjmp() > spec which requires that local variables which are not changed > between the setjmp and the longjmp retain their value. > > I recently ran across the upstream clang bug report for this; add a > link to it to the comment describing the workaround, and generally > expand the comment, so that we have a reasonable chance in future of > understanding why it's there and determining when we can remove it, > assuming clang eventually fixes the bug. > > Remove the /* buggy compiler */ comments on the #else and #endif: > they don't add anything to understanding and are somewhat misleading > since they're sandwiching the code path for *non*-buggy compilers. > > Signed-off-by: Peter Maydell <[email protected]> Reviewed-by: Alex Bennée <[email protected]> -- Alex Bennée
