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-rw-r--r--cparser/StructPassing.ml8
1 files changed, 6 insertions, 2 deletions
diff --git a/cparser/StructPassing.ml b/cparser/StructPassing.ml
index 3de05e19..e431d9f9 100644
--- a/cparser/StructPassing.ml
+++ b/cparser/StructPassing.ml
@@ -323,8 +323,12 @@ and transf_call env ctx opt_lhs fn args ty =
| None -> e
| Some lhs -> eassign lhs e in
match fn with
- | {edesc = EVar {C.name = "__builtin_va_arg"}} ->
- (* Do not transform the call in this case *)
+ | {edesc = EVar { C.name = "__builtin_va_arg"
+ | "__builtin_annot"
+ | "__builtin_annot_intval"
+ | "__builtin_ais_annot" } } ->
+ (* Do not transform the call in this case, just use the default
+ pass-by-reference mode for struct/union arguments. *)
opt_eassign {edesc = ECall(fn, args'); etyp = ty}
| _ ->
let call =