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gh-88696: clean up dead argument to compiler_make_closure #100806

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Jan 7, 2023
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30 changes: 7 additions & 23 deletions Python/compile.c
Original file line number Diff line number Diff line change
Expand Up @@ -2246,11 +2246,8 @@ compiler_lookup_arg(PyObject *dict, PyObject *name)

static int
compiler_make_closure(struct compiler *c, location loc,
PyCodeObject *co, Py_ssize_t flags, PyObject *qualname)
PyCodeObject *co, Py_ssize_t flags)
{
if (qualname == NULL)
qualname = co->co_name;

if (co->co_nfreevars) {
int i = PyCode_GetFirstFree(co);
for (; i < co->co_nlocalsplus; ++i) {
Expand Down Expand Up @@ -2605,7 +2602,7 @@ static int
compiler_function(struct compiler *c, stmt_ty s, int is_async)
{
PyCodeObject *co;
PyObject *qualname, *docstring = NULL;
PyObject *docstring = NULL;
arguments_ty args;
expr_ty returns;
identifier name;
Expand Down Expand Up @@ -2682,19 +2679,15 @@ compiler_function(struct compiler *c, stmt_ty s, int is_async)
}
}
co = assemble(c, 1);
qualname = Py_NewRef(c->u->u_qualname);
compiler_exit_scope(c);
if (co == NULL) {
Py_XDECREF(qualname);
Py_XDECREF(co);
return ERROR;
}
if (compiler_make_closure(c, loc, co, funcflags, qualname) < 0) {
Py_DECREF(qualname);
if (compiler_make_closure(c, loc, co, funcflags) < 0) {
Py_DECREF(co);
return ERROR;
}
Py_DECREF(qualname);
Py_DECREF(co);

RETURN_IF_ERROR(compiler_apply_decorators(c, decos));
Expand Down Expand Up @@ -2794,7 +2787,7 @@ compiler_class(struct compiler *c, stmt_ty s)
ADDOP(c, loc, LOAD_BUILD_CLASS);

/* 3. load a function (or closure) made from the code object */
if (compiler_make_closure(c, loc, co, 0, NULL) < 0) {
if (compiler_make_closure(c, loc, co, 0) < 0) {
Py_DECREF(co);
return ERROR;
}
Expand Down Expand Up @@ -3015,7 +3008,6 @@ static int
compiler_lambda(struct compiler *c, expr_ty e)
{
PyCodeObject *co;
PyObject *qualname;
Py_ssize_t funcflags;
arguments_ty args = e->v.Lambda.args;
assert(e->kind == Lambda_kind);
Expand Down Expand Up @@ -3049,19 +3041,15 @@ compiler_lambda(struct compiler *c, expr_ty e)
ADDOP_IN_SCOPE(c, loc, RETURN_VALUE);
co = assemble(c, 1);
}
qualname = Py_NewRef(c->u->u_qualname);
compiler_exit_scope(c);
if (co == NULL) {
Py_DECREF(qualname);
return ERROR;
}

if (compiler_make_closure(c, loc, co, funcflags, qualname) < 0) {
Py_DECREF(qualname);
if (compiler_make_closure(c, loc, co, funcflags) < 0) {
Py_DECREF(co);
return ERROR;
}
Py_DECREF(qualname);
Py_DECREF(co);

return SUCCESS;
Expand Down Expand Up @@ -5392,7 +5380,6 @@ compiler_comprehension(struct compiler *c, expr_ty e, int type,
{
PyCodeObject *co = NULL;
comprehension_ty outermost;
PyObject *qualname = NULL;
int scope_type = c->u->u_scope_type;
int is_async_generator = 0;
int is_top_level_await = IS_TOP_LEVEL_AWAIT(c);
Expand Down Expand Up @@ -5453,7 +5440,6 @@ compiler_comprehension(struct compiler *c, expr_ty e, int type,
}

co = assemble(c, 1);
qualname = Py_NewRef(c->u->u_qualname);
compiler_exit_scope(c);
if (is_top_level_await && is_async_generator){
c->u->u_ste->ste_coroutine = 1;
Expand All @@ -5463,10 +5449,9 @@ compiler_comprehension(struct compiler *c, expr_ty e, int type,
}

loc = LOC(e);
if (compiler_make_closure(c, loc, co, 0, qualname) < 0) {
if (compiler_make_closure(c, loc, co, 0) < 0) {
goto error;
}
Py_DECREF(qualname);
Py_DECREF(co);

VISIT(c, expr, outermost->iter);
Expand All @@ -5490,7 +5475,6 @@ compiler_comprehension(struct compiler *c, expr_ty e, int type,
error_in_scope:
compiler_exit_scope(c);
error:
Py_XDECREF(qualname);
Py_XDECREF(co);
return ERROR;
}
Expand Down Expand Up @@ -8671,7 +8655,7 @@ opcode_metadata_is_sane(cfg_builder *g) {
for (int i = 0; i < b->b_iused; i++) {
struct instr *instr = &b->b_instr[i];
int opcode = instr->i_opcode;
assert(opcode <= MAX_REAL_OPCODE);
assert(opcode <= MAX_REAL_OPCODE);
int pushed = _PyOpcode_opcode_metadata[opcode].n_pushed;
int popped = _PyOpcode_opcode_metadata[opcode].n_popped;
assert((pushed < 0) == (popped < 0));
Expand Down