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-rw-r--r--erts/emulator/beam/beam_emu.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c
index aa94fbf536..60d0008d8f 100644
--- a/erts/emulator/beam/beam_emu.c
+++ b/erts/emulator/beam/beam_emu.c
@@ -3199,13 +3199,16 @@ erts_is_builtin(Eterm Mod, Eterm Name, int arity)
Export e;
Export* ep;
- if (Mod == am_erlang && Name == am_apply && arity == 3) {
- /*
- * Special case. apply/3 is built-in (implemented in C),
- * but implemented in a different way than all other
- * BIFs.
- */
- return 1;
+ if (Mod == am_erlang) {
+ /*
+ * Special case for built-in functions that are implemented
+ * as instructions as opposed to SNIFs.
+ */
+ if (Name == am_apply && (arity == 2 || arity == 3)) {
+ return 1;
+ } else if (Name == am_yield && arity == 0) {
+ return 1;
+ }
}
e.info.mfa.module = Mod;