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-rw-r--r--x86/Asmexpand.ml2
1 files changed, 1 insertions, 1 deletions
diff --git a/x86/Asmexpand.ml b/x86/Asmexpand.ml
index 16426ce3..c82d406e 100644
--- a/x86/Asmexpand.ml
+++ b/x86/Asmexpand.ml
@@ -506,7 +506,7 @@ let expand_instruction instr =
(* Save the registers *)
emit (Pleaq (R10, linear_addr RSP (Z.of_uint save_regs)));
emit (Pcall_s (intern_string "__compcert_va_saveregs",
- {sig_args = []; sig_res = None; sig_cc = cc_default}))
+ {sig_args = []; sig_res = Tvoid; sig_cc = cc_default}))
end;
(* Stack chaining *)
let fullsz = sz + 8 in