Merge 3.6

This commit is contained in:
Victor Stinner 2016-11-24 22:33:49 +01:00
commit ed6de7345e
3 changed files with 14 additions and 0 deletions

View file

@ -355,6 +355,14 @@ _PyGen_yf(PyGenObject *gen)
PyObject *bytecode = f->f_code->co_code;
unsigned char *code = (unsigned char *)PyBytes_AS_STRING(bytecode);
if (f->f_lasti < 0) {
/* Return immediately if the frame didn't start yet. YIELD_FROM
always come after LOAD_CONST: a code object should not start
with YIELD_FROM */
assert(code[0] != YIELD_FROM);
return NULL;
}
if (code[f->f_lasti + sizeof(_Py_CODEUNIT)] != YIELD_FROM)
return NULL;
yf = f->f_stacktop[-1];
@ -463,6 +471,7 @@ _gen_throw(PyGenObject *gen, int close_on_genexit,
assert(ret == yf);
Py_DECREF(ret);
/* Termination repetition of YIELD_FROM */
assert(gen->gi_frame->f_lasti >= 0);
gen->gi_frame->f_lasti += sizeof(_Py_CODEUNIT);
if (_PyGen_FetchStopIterationValue(&val) == 0) {
ret = gen_send_ex(gen, val, 0, 0);