On Fri, 7 Jun 2024 17:37:24 +0100 Jon Turney wrote: > w32api 12.0.0 adds the returns_twice attribute to RtlCaptureContext(). > There's some data-flow interaction with using it inside a while loop > which causes a maybe-uninitialized warning. > > ../../../../winsup/cygwin/exceptions.cc: In member function 'int > _cygtls::call_signal_handler()': > │ > ../../../../winsup/cygwin/exceptions.cc:1720:33: error: '<anonymous>' may be > used uninitialized in this function [-Werror=maybe-uninitialized] > │ > --- > winsup/cygwin/exceptions.cc | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/winsup/cygwin/exceptions.cc b/winsup/cygwin/exceptions.cc > index a2a6f9d4c..28d0431d5 100644 > --- a/winsup/cygwin/exceptions.cc > +++ b/winsup/cygwin/exceptions.cc > @@ -1717,7 +1717,10 @@ _cygtls::call_signal_handler () > context, unwind to the caller and in case we're called > from sigdelayed, fix the instruction pointer accordingly. */ > context.uc_mcontext.ctxflags = CONTEXT_FULL; > +#pragma GCC diagnostic push > +#pragma GCC diagnostic ignored "-Wmaybe-uninitialized" > RtlCaptureContext ((PCONTEXT) &context.uc_mcontext); > +#pragma GCC diagnostic pop > __unwind_single_frame ((PCONTEXT) &context.uc_mcontext); > if (stackptr > stack) > { > -- > 2.45.1
It seems that the commit message include non UTF-8 chars. -- Takashi Yano <takashi.y...@nifty.ne.jp>