https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65802
--- Comment #3 from vries at gcc dot gnu.org ---
This patch allows the example to pass:
...
diff --git a/gcc/passes.def b/gcc/passes.def
index ffa63b5..041197c 100644
--- a/gcc/passes.def
+++ b/gcc/passes.def
@@ -344,7 +344,6 @@ along with GCC; see the file COPYING3. If not see
NEXT_PASS (pass_tm_edges);
POP_INSERT_PASSES ()
NEXT_PASS (pass_vtable_verify);
- NEXT_PASS (pass_lower_vaarg);
NEXT_PASS (pass_lower_vector);
NEXT_PASS (pass_lower_complex_O0);
NEXT_PASS (pass_asan_O0);
@@ -352,6 +351,7 @@ along with GCC; see the file COPYING3. If not see
NEXT_PASS (pass_sanopt);
NEXT_PASS (pass_cleanup_eh);
NEXT_PASS (pass_lower_resx);
+ NEXT_PASS (pass_lower_vaarg);
NEXT_PASS (pass_nrv);
NEXT_PASS (pass_cleanup_cfg_post_optimizing);
NEXT_PASS (pass_warn_function_noreturn);
...
I have no knowledge of the exception handling implementation, so:
1. a proper root cause analysis would take me some time.
2. I have no idea whether the patch is actually correct. I'll try a bootstrap
and reg-test though, that'll gives us at least more information.
