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-rw-r--r--py/emitbc.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/py/emitbc.c b/py/emitbc.c
index 1f5cd9d32..21ec12191 100644
--- a/py/emitbc.c
+++ b/py/emitbc.c
@@ -752,7 +752,9 @@ void mp_emit_bc_make_closure(emit_t *emit, scope_t *scope, mp_uint_t n_closed_ov
STATIC void emit_bc_call_function_method_helper(emit_t *emit, int stack_adj, mp_uint_t bytecode_base, mp_uint_t n_positional, mp_uint_t n_keyword, mp_uint_t star_flags) {
if (star_flags) {
- stack_adj -= (int)n_positional + 2 * (int)n_keyword + 2;
+ // each positional arg is one object, each kwarg is two objects, the key
+ // and the value and one extra object for the star args bitmap.
+ stack_adj -= (int)n_positional + 2 * (int)n_keyword + 1;
emit_write_bytecode_byte_uint(emit, stack_adj, bytecode_base + 1, (n_keyword << 8) | n_positional); // TODO make it 2 separate uints?
} else {
stack_adj -= (int)n_positional + 2 * (int)n_keyword;