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
