[case testForInRange]
def f() -> None:
    x = 0
    for i in range(5):
        x = x + i
[out]
def f():
    x :: int
    r0 :: short_int
    i :: int
    r1 :: bit
    r2 :: int
    r3 :: short_int
L0:
    x = 0
    r0 = 0
    i = r0
L1:
    r1 = r0 < 10 :: signed
    if r1 goto L2 else goto L4 :: bool
L2:
    r2 = CPyTagged_Add(x, i)
    x = r2
L3:
    r3 = r0 + 2
    r0 = r3
    i = r3
    goto L1
L4:
    return 1

[case testForInRangeVariableEndIndxe]
def f(a: int) -> None:
    for i in range(a):
        pass
[out]
def f(a):
    a, r0, i :: int
    r1 :: native_int
    r2 :: bit
    r3 :: native_int
    r4, r5, r6 :: bit
    r7 :: bool
    r8 :: bit
    r9 :: int
L0:
    r0 = 0
    i = r0
L1:
    r1 = r0 & 1
    r2 = r1 == 0
    r3 = a & 1
    r4 = r3 == 0
    r5 = r2 & r4
    if r5 goto L2 else goto L3 :: bool
L2:
    r6 = r0 < a :: signed
    r7 = r6
    goto L4
L3:
    r8 = CPyTagged_IsLt_(r0, a)
    r7 = r8
L4:
    if r7 goto L5 else goto L7 :: bool
L5:
L6:
    r9 = CPyTagged_Add(r0, 2)
    r0 = r9
    i = r9
    goto L1
L7:
    return 1

[case testForInNegativeRange]
def f() -> None:
    for i in range(10, 0, -1):
        pass
[out]
def f():
    r0 :: short_int
    i :: int
    r1 :: bit
    r2 :: short_int
L0:
    r0 = 20
    i = r0
L1:
    r1 = r0 > 0 :: signed
    if r1 goto L2 else goto L4 :: bool
L2:
L3:
    r2 = r0 + -2
    r0 = r2
    i = r2
    goto L1
L4:
    return 1

[case testBreak]
def f() -> None:
  n = 0
  while n < 5:
      break
[out]
def f():
    n :: int
    r0 :: native_int
    r1, r2, r3 :: bit
L0:
    n = 0
L1:
    r0 = n & 1
    r1 = r0 != 0
    if r1 goto L2 else goto L3 :: bool
L2:
    r2 = CPyTagged_IsLt_(n, 10)
    if r2 goto L4 else goto L5 :: bool
L3:
    r3 = n < 10 :: signed
    if r3 goto L4 else goto L5 :: bool
L4:
L5:
    return 1

[case testBreakFor]
def f() -> None:
    for n in range(5):
        break
[out]
def f():
    r0 :: short_int
    n :: int
    r1 :: bit
    r2 :: short_int
L0:
    r0 = 0
    n = r0
L1:
    r1 = r0 < 10 :: signed
    if r1 goto L2 else goto L4 :: bool
L2:
    goto L4
L3:
    r2 = r0 + 2
    r0 = r2
    n = r2
    goto L1
L4:
    return 1

[case testBreakNested]
def f() -> None:
    n = 0
    while n < 5:
        while n < 4:
            break
        break
[out]
def f():
    n :: int
    r0 :: native_int
    r1, r2, r3 :: bit
    r4 :: native_int
    r5, r6, r7 :: bit
L0:
    n = 0
L1:
    r0 = n & 1
    r1 = r0 != 0
    if r1 goto L2 else goto L3 :: bool
L2:
    r2 = CPyTagged_IsLt_(n, 10)
    if r2 goto L4 else goto L10 :: bool
L3:
    r3 = n < 10 :: signed
    if r3 goto L4 else goto L10 :: bool
L4:
L5:
    r4 = n & 1
    r5 = r4 != 0
    if r5 goto L6 else goto L7 :: bool
L6:
    r6 = CPyTagged_IsLt_(n, 8)
    if r6 goto L8 else goto L9 :: bool
L7:
    r7 = n < 8 :: signed
    if r7 goto L8 else goto L9 :: bool
L8:
L9:
L10:
    return 1

[case testContinue]
def f() -> None:
  n = 0
  while n < 5:
      continue
[out]
def f():
    n :: int
    r0 :: native_int
    r1, r2, r3 :: bit
L0:
    n = 0
L1:
    r0 = n & 1
    r1 = r0 != 0
    if r1 goto L2 else goto L3 :: bool
L2:
    r2 = CPyTagged_IsLt_(n, 10)
    if r2 goto L4 else goto L5 :: bool
L3:
    r3 = n < 10 :: signed
    if r3 goto L4 else goto L5 :: bool
L4:
    goto L1
L5:
    return 1

[case testContinueFor]
def f() -> None:
    for n in range(5):
        continue
[out]
def f():
    r0 :: short_int
    n :: int
    r1 :: bit
    r2 :: short_int
L0:
    r0 = 0
    n = r0
L1:
    r1 = r0 < 10 :: signed
    if r1 goto L2 else goto L4 :: bool
L2:
L3:
    r2 = r0 + 2
    r0 = r2
    n = r2
    goto L1
L4:
    return 1

[case testContinueNested]
def f() -> None:
    n = 0
    while n < 5:
        while n < 4:
            continue
        continue
[out]
def f():
    n :: int
    r0 :: native_int
    r1, r2, r3 :: bit
    r4 :: native_int
    r5, r6, r7 :: bit
L0:
    n = 0
L1:
    r0 = n & 1
    r1 = r0 != 0
    if r1 goto L2 else goto L3 :: bool
L2:
    r2 = CPyTagged_IsLt_(n, 10)
    if r2 goto L4 else goto L10 :: bool
L3:
    r3 = n < 10 :: signed
    if r3 goto L4 else goto L10 :: bool
L4:
L5:
    r4 = n & 1
    r5 = r4 != 0
    if r5 goto L6 else goto L7 :: bool
L6:
    r6 = CPyTagged_IsLt_(n, 8)
    if r6 goto L8 else goto L9 :: bool
L7:
    r7 = n < 8 :: signed
    if r7 goto L8 else goto L9 :: bool
L8:
    goto L5
L9:
    goto L1
L10:
    return 1

[case testForList]
from typing import List

def f(ls: List[int]) -> int:
    y = 0
    for x in ls:
        y = y + x
    return y
[out]
def f(ls):
    ls :: list
    y :: int
    r0 :: short_int
    r1 :: ptr
    r2 :: native_int
    r3 :: short_int
    r4 :: bit
    r5 :: object
    r6, x, r7 :: int
    r8 :: short_int
L0:
    y = 0
    r0 = 0
L1:
    r1 = get_element_ptr ls ob_size :: PyVarObject
    r2 = load_mem r1, ls :: native_int*
    r3 = r2 << 1
    r4 = r0 < r3 :: signed
    if r4 goto L2 else goto L4 :: bool
L2:
    r5 = CPyList_GetItemUnsafe(ls, r0)
    r6 = unbox(int, r5)
    x = r6
    r7 = CPyTagged_Add(y, x)
    y = r7
L3:
    r8 = r0 + 2
    r0 = r8
    goto L1
L4:
    return y

[case testForDictBasic]
from typing import Dict

def f(d: Dict[int, int]) -> None:
    for key in d:
        d[key]
[out]
def f(d):
    d :: dict
    r0 :: short_int
    r1 :: native_int
    r2 :: short_int
    r3 :: object
    r4 :: tuple[bool, int, object]
    r5 :: int
    r6 :: bool
    r7 :: object
    r8, key :: int
    r9, r10 :: object
    r11 :: int
    r12, r13 :: bit
L0:
    r0 = 0
    r1 = PyDict_Size(d)
    r2 = r1 << 1
    r3 = CPyDict_GetKeysIter(d)
L1:
    r4 = CPyDict_NextKey(r3, r0)
    r5 = r4[1]
    r0 = r5
    r6 = r4[0]
    if r6 goto L2 else goto L4 :: bool
L2:
    r7 = r4[2]
    r8 = unbox(int, r7)
    key = r8
    r9 = box(int, key)
    r10 = CPyDict_GetItem(d, r9)
    r11 = unbox(int, r10)
L3:
    r12 = CPyDict_CheckSize(d, r2)
    goto L1
L4:
    r13 = CPy_NoErrOccured()
L5:
    return 1

[case testForDictContinue]
from typing import Dict

def sum_over_even_values(d: Dict[int, int]) -> int:
    s = 0
    for key in d:
        if d[key] % 2:
            continue
        s = s + d[key]
    return s
[out]
def sum_over_even_values(d):
    d :: dict
    s :: int
    r0 :: short_int
    r1 :: native_int
    r2 :: short_int
    r3 :: object
    r4 :: tuple[bool, int, object]
    r5 :: int
    r6 :: bool
    r7 :: object
    r8, key :: int
    r9, r10 :: object
    r11, r12 :: int
    r13 :: bit
    r14, r15 :: object
    r16, r17 :: int
    r18, r19 :: bit
L0:
    s = 0
    r0 = 0
    r1 = PyDict_Size(d)
    r2 = r1 << 1
    r3 = CPyDict_GetKeysIter(d)
L1:
    r4 = CPyDict_NextKey(r3, r0)
    r5 = r4[1]
    r0 = r5
    r6 = r4[0]
    if r6 goto L2 else goto L6 :: bool
L2:
    r7 = r4[2]
    r8 = unbox(int, r7)
    key = r8
    r9 = box(int, key)
    r10 = CPyDict_GetItem(d, r9)
    r11 = unbox(int, r10)
    r12 = CPyTagged_Remainder(r11, 4)
    r13 = r12 != 0
    if r13 goto L3 else goto L4 :: bool
L3:
    goto L5
L4:
    r14 = box(int, key)
    r15 = CPyDict_GetItem(d, r14)
    r16 = unbox(int, r15)
    r17 = CPyTagged_Add(s, r16)
    s = r17
L5:
    r18 = CPyDict_CheckSize(d, r2)
    goto L1
L6:
    r19 = CPy_NoErrOccured()
L7:
    return s

[case testMultipleAssignmentWithNoUnpacking]
from typing import Tuple

def f(x: int, y: int) -> Tuple[int, int]:
    x, y = y, x
    return (x, y)

def f2(x: int, y: str, z: float) -> Tuple[float, str, int]:
    a, b, c = x, y, z
    return (c, b, a)

def f3(x: int, y: int) -> Tuple[int, int]:
    [x, y] = [y, x]
    return (x, y)
[out]
def f(x, y):
    x, y, r0, r1 :: int
    r2 :: tuple[int, int]
L0:
    r0 = y
    r1 = x
    x = r0
    y = r1
    r2 = (x, y)
    return r2
def f2(x, y, z):
    x :: int
    y :: str
    z :: float
    r0 :: int
    r1 :: str
    r2 :: float
    a :: int
    b :: str
    c :: float
    r3 :: tuple[float, str, int]
L0:
    r0 = x
    r1 = y
    r2 = z
    a = r0
    b = r1
    c = r2
    r3 = (c, b, a)
    return r3
def f3(x, y):
    x, y, r0, r1 :: int
    r2 :: tuple[int, int]
L0:
    r0 = y
    r1 = x
    x = r0
    y = r1
    r2 = (x, y)
    return r2

[case testMultipleAssignmentBasicUnpacking]
from typing import Tuple, Any

def from_tuple(t: Tuple[int, str]) -> None:
    x, y = t

def from_any(a: Any) -> None:
    x, y = a
[out]
def from_tuple(t):
    t :: tuple[int, str]
    r0, x :: int
    r1, y :: str
L0:
    r0 = t[0]
    x = r0
    r1 = t[1]
    y = r1
    return 1
def from_any(a):
    a, r0, r1 :: object
    r2 :: bool
    x, r3 :: object
    r4 :: bool
    y, r5 :: object
    r6 :: bool
L0:
    r0 = PyObject_GetIter(a)
    r1 = PyIter_Next(r0)
    if is_error(r1) goto L1 else goto L2
L1:
    r2 = raise ValueError('not enough values to unpack')
    unreachable
L2:
    x = r1
    r3 = PyIter_Next(r0)
    if is_error(r3) goto L3 else goto L4
L3:
    r4 = raise ValueError('not enough values to unpack')
    unreachable
L4:
    y = r3
    r5 = PyIter_Next(r0)
    if is_error(r5) goto L6 else goto L5
L5:
    r6 = raise ValueError('too many values to unpack')
    unreachable
L6:
    return 1

[case testMultiAssignmentCoercions]
from typing import Tuple, Any

def from_tuple(t: Tuple[int, Any]) -> None:
    x: object
    y: int
    x, y = t

def from_any(a: Any) -> None:
    x: int
    x, y = a
[out]
def from_tuple(t):
    t :: tuple[int, object]
    r0 :: int
    r1, x, r2 :: object
    r3, y :: int
L0:
    r0 = t[0]
    r1 = box(int, r0)
    x = r1
    r2 = t[1]
    r3 = unbox(int, r2)
    y = r3
    return 1
def from_any(a):
    a, r0, r1 :: object
    r2 :: bool
    r3, x :: int
    r4 :: object
    r5 :: bool
    y, r6 :: object
    r7 :: bool
L0:
    r0 = PyObject_GetIter(a)
    r1 = PyIter_Next(r0)
    if is_error(r1) goto L1 else goto L2
L1:
    r2 = raise ValueError('not enough values to unpack')
    unreachable
L2:
    r3 = unbox(int, r1)
    x = r3
    r4 = PyIter_Next(r0)
    if is_error(r4) goto L3 else goto L4
L3:
    r5 = raise ValueError('not enough values to unpack')
    unreachable
L4:
    y = r4
    r6 = PyIter_Next(r0)
    if is_error(r6) goto L6 else goto L5
L5:
    r7 = raise ValueError('too many values to unpack')
    unreachable
L6:
    return 1

[case testMultiAssignmentNested]
from typing import Tuple, Any, List

class A:
    x: int

def multi_assign(t: Tuple[int, Tuple[str, Any]], a: A, l: List[str]) -> None:
    z: int
    a.x, (l[0], z) = t
[out]
def multi_assign(t, a, l):
    t :: tuple[int, tuple[str, object]]
    a :: __main__.A
    l :: list
    r0 :: int
    r1 :: bool
    r2 :: tuple[str, object]
    r3 :: str
    r4 :: bit
    r5 :: object
    r6, z :: int
L0:
    r0 = t[0]
    a.x = r0; r1 = is_error
    r2 = t[1]
    r3 = r2[0]
    r4 = CPyList_SetItem(l, 0, r3)
    r5 = r2[1]
    r6 = unbox(int, r5)
    z = r6
    return 1

[case testMultipleAssignmentUnpackFromSequence]
from typing import List, Tuple

def f(l: List[int], t: Tuple[int, ...]) -> None:
    x: object
    y: int
    x, y = l
    x, y = t
[out]
def f(l, t):
    l :: list
    t :: tuple
    r0 :: int32
    r1 :: bit
    r2, r3, x :: object
    r4, y :: int
    r5 :: int32
    r6 :: bit
    r7, r8 :: object
    r9 :: int
L0:
    r0 = CPySequence_CheckUnpackCount(l, 2)
    r1 = r0 >= 0 :: signed
    r2 = CPyList_GetItemUnsafe(l, 0)
    r3 = CPyList_GetItemUnsafe(l, 2)
    x = r2
    r4 = unbox(int, r3)
    y = r4
    r5 = CPySequence_CheckUnpackCount(t, 2)
    r6 = r5 >= 0 :: signed
    r7 = CPySequenceTuple_GetItem(t, 0)
    r8 = CPySequenceTuple_GetItem(t, 2)
    r9 = unbox(int, r8)
    x = r7
    y = r9
    return 1

[case testAssert]
from typing import Optional

def no_msg(x: bool) -> int:
    assert x
    return 1

def literal_msg(x: object) -> int:
    assert x, 'message'
    return 2

def complex_msg(x: Optional[str], s: str) -> None:
    assert x, s
[out]
def no_msg(x):
    x, r0 :: bool
L0:
    if x goto L2 else goto L1 :: bool
L1:
    r0 = raise AssertionError
    unreachable
L2:
    return 2
def literal_msg(x):
    x :: object
    r0 :: int32
    r1 :: bit
    r2, r3 :: bool
L0:
    r0 = PyObject_IsTrue(x)
    r1 = r0 >= 0 :: signed
    r2 = truncate r0: int32 to builtins.bool
    if r2 goto L2 else goto L1 :: bool
L1:
    r3 = raise AssertionError('message')
    unreachable
L2:
    return 4
def complex_msg(x, s):
    x :: union[str, None]
    s :: str
    r0 :: object
    r1 :: bit
    r2 :: str
    r3 :: int32
    r4 :: bit
    r5 :: bool
    r6 :: object
    r7 :: str
    r8, r9 :: object
L0:
    r0 = load_address _Py_NoneStruct
    r1 = x != r0
    if r1 goto L1 else goto L2 :: bool
L1:
    r2 = cast(str, x)
    r3 = PyObject_IsTrue(r2)
    r4 = r3 >= 0 :: signed
    r5 = truncate r3: int32 to builtins.bool
    if r5 goto L3 else goto L2 :: bool
L2:
    r6 = builtins :: module
    r7 = load_global CPyStatic_unicode_3 :: static  ('AssertionError')
    r8 = CPyObject_GetAttr(r6, r7)
    r9 = PyObject_CallFunctionObjArgs(r8, s, 0)
    CPy_Raise(r9)
    unreachable
L3:
    return 1

[case testDelList]
def delList() -> None:
    l = [1, 2]
    del l[1]
def delListMultiple() -> None:
    l = [1, 2, 3, 4, 5, 6, 7]
    del l[1], l[2], l[3]
[out]
def delList():
    r0 :: list
    r1, r2 :: object
    r3, r4, r5 :: ptr
    l :: list
    r6 :: object
    r7 :: int32
    r8 :: bit
L0:
    r0 = PyList_New(2)
    r1 = box(short_int, 2)
    r2 = box(short_int, 4)
    r3 = get_element_ptr r0 ob_item :: PyListObject
    r4 = load_mem r3, r0 :: ptr*
    set_mem r4, r1, r0 :: builtins.object*
    r5 = r4 + WORD_SIZE*1
    set_mem r5, r2, r0 :: builtins.object*
    l = r0
    r6 = box(short_int, 2)
    r7 = PyObject_DelItem(l, r6)
    r8 = r7 >= 0 :: signed
    return 1
def delListMultiple():
    r0 :: list
    r1, r2, r3, r4, r5, r6, r7 :: object
    r8, r9, r10, r11, r12, r13, r14, r15 :: ptr
    l :: list
    r16 :: object
    r17 :: int32
    r18 :: bit
    r19 :: object
    r20 :: int32
    r21 :: bit
    r22 :: object
    r23 :: int32
    r24 :: bit
L0:
    r0 = PyList_New(7)
    r1 = box(short_int, 2)
    r2 = box(short_int, 4)
    r3 = box(short_int, 6)
    r4 = box(short_int, 8)
    r5 = box(short_int, 10)
    r6 = box(short_int, 12)
    r7 = box(short_int, 14)
    r8 = get_element_ptr r0 ob_item :: PyListObject
    r9 = load_mem r8, r0 :: ptr*
    set_mem r9, r1, r0 :: builtins.object*
    r10 = r9 + WORD_SIZE*1
    set_mem r10, r2, r0 :: builtins.object*
    r11 = r9 + WORD_SIZE*2
    set_mem r11, r3, r0 :: builtins.object*
    r12 = r9 + WORD_SIZE*3
    set_mem r12, r4, r0 :: builtins.object*
    r13 = r9 + WORD_SIZE*4
    set_mem r13, r5, r0 :: builtins.object*
    r14 = r9 + WORD_SIZE*5
    set_mem r14, r6, r0 :: builtins.object*
    r15 = r9 + WORD_SIZE*6
    set_mem r15, r7, r0 :: builtins.object*
    l = r0
    r16 = box(short_int, 2)
    r17 = PyObject_DelItem(l, r16)
    r18 = r17 >= 0 :: signed
    r19 = box(short_int, 4)
    r20 = PyObject_DelItem(l, r19)
    r21 = r20 >= 0 :: signed
    r22 = box(short_int, 6)
    r23 = PyObject_DelItem(l, r22)
    r24 = r23 >= 0 :: signed
    return 1

[case testDelDict]
def delDict() -> None:
    d = {"one":1, "two":2}
    del d["one"]
def delDictMultiple() -> None:
    d = {"one":1, "two":2, "three":3, "four":4}
    del d["one"], d["four"]
[out]
def delDict():
    r0, r1 :: str
    r2, r3 :: object
    r4, d :: dict
    r5 :: str
    r6 :: int32
    r7 :: bit
L0:
    r0 = load_global CPyStatic_unicode_1 :: static  ('one')
    r1 = load_global CPyStatic_unicode_2 :: static  ('two')
    r2 = box(short_int, 2)
    r3 = box(short_int, 4)
    r4 = CPyDict_Build(2, r0, r2, r1, r3)
    d = r4
    r5 = load_global CPyStatic_unicode_1 :: static  ('one')
    r6 = PyObject_DelItem(d, r5)
    r7 = r6 >= 0 :: signed
    return 1
def delDictMultiple():
    r0, r1, r2, r3 :: str
    r4, r5, r6, r7 :: object
    r8, d :: dict
    r9, r10 :: str
    r11 :: int32
    r12 :: bit
    r13 :: int32
    r14 :: bit
L0:
    r0 = load_global CPyStatic_unicode_1 :: static  ('one')
    r1 = load_global CPyStatic_unicode_2 :: static  ('two')
    r2 = load_global CPyStatic_unicode_3 :: static  ('three')
    r3 = load_global CPyStatic_unicode_4 :: static  ('four')
    r4 = box(short_int, 2)
    r5 = box(short_int, 4)
    r6 = box(short_int, 6)
    r7 = box(short_int, 8)
    r8 = CPyDict_Build(4, r0, r4, r1, r5, r2, r6, r3, r7)
    d = r8
    r9 = load_global CPyStatic_unicode_1 :: static  ('one')
    r10 = load_global CPyStatic_unicode_4 :: static  ('four')
    r11 = PyObject_DelItem(d, r9)
    r12 = r11 >= 0 :: signed
    r13 = PyObject_DelItem(d, r10)
    r14 = r13 >= 0 :: signed
    return 1

[case testDelAttribute]
class Dummy():
    def __init__(self, x: int, y: int) -> None:
        self.x = x
        self.y = y
def delAttribute() -> None:
    dummy = Dummy(1, 2)
    del dummy.x
def delAttributeMultiple() -> None:
    dummy = Dummy(1, 2)
    del dummy.x, dummy.y
[out]
def Dummy.__init__(self, x, y):
    self :: __main__.Dummy
    x, y :: int
    r0, r1 :: bool
L0:
    self.x = x; r0 = is_error
    self.y = y; r1 = is_error
    return 1
def delAttribute():
    r0, dummy :: __main__.Dummy
    r1 :: str
    r2 :: int32
    r3 :: bit
L0:
    r0 = Dummy(2, 4)
    dummy = r0
    r1 = load_global CPyStatic_unicode_3 :: static  ('x')
    r2 = PyObject_DelAttr(dummy, r1)
    r3 = r2 >= 0 :: signed
    return 1
def delAttributeMultiple():
    r0, dummy :: __main__.Dummy
    r1 :: str
    r2 :: int32
    r3 :: bit
    r4 :: str
    r5 :: int32
    r6 :: bit
L0:
    r0 = Dummy(2, 4)
    dummy = r0
    r1 = load_global CPyStatic_unicode_3 :: static  ('x')
    r2 = PyObject_DelAttr(dummy, r1)
    r3 = r2 >= 0 :: signed
    r4 = load_global CPyStatic_unicode_4 :: static  ('y')
    r5 = PyObject_DelAttr(dummy, r4)
    r6 = r5 >= 0 :: signed
    return 1

[case testForEnumerate]
from typing import List, Iterable

def f(a: List[int]) -> None:
    for i, x in enumerate(a):
        i + x
def g(x: Iterable[int]) -> None:
    for i, n in enumerate(x):
        pass
[out]
def f(a):
    a :: list
    r0 :: short_int
    i :: int
    r1 :: short_int
    r2 :: ptr
    r3 :: native_int
    r4 :: short_int
    r5 :: bit
    r6 :: object
    r7, x, r8 :: int
    r9, r10 :: short_int
L0:
    r0 = 0
    i = 0
    r1 = 0
L1:
    r2 = get_element_ptr a ob_size :: PyVarObject
    r3 = load_mem r2, a :: native_int*
    r4 = r3 << 1
    r5 = r1 < r4 :: signed
    if r5 goto L2 else goto L4 :: bool
L2:
    r6 = CPyList_GetItemUnsafe(a, r1)
    r7 = unbox(int, r6)
    x = r7
    r8 = CPyTagged_Add(i, x)
L3:
    r9 = r0 + 2
    r0 = r9
    i = r9
    r10 = r1 + 2
    r1 = r10
    goto L1
L4:
L5:
    return 1
def g(x):
    x :: object
    r0 :: short_int
    i :: int
    r1, r2 :: object
    r3, n :: int
    r4 :: short_int
    r5 :: bit
L0:
    r0 = 0
    i = 0
    r1 = PyObject_GetIter(x)
L1:
    r2 = PyIter_Next(r1)
    if is_error(r2) goto L4 else goto L2
L2:
    r3 = unbox(int, r2)
    n = r3
L3:
    r4 = r0 + 2
    r0 = r4
    i = r4
    goto L1
L4:
    r5 = CPy_NoErrOccured()
L5:
    return 1

[case testForZip]
from typing import List, Iterable

def f(a: List[int], b: Iterable[bool]) -> None:
    for x, y in zip(a, b):
        if b:
            x = 1

def g(a: Iterable[bool], b: List[int]) -> None:
    for x, y, z in zip(a, b, range(5)):
        x = False
[out]
def f(a, b):
    a :: list
    b :: object
    r0 :: short_int
    r1 :: object
    r2 :: ptr
    r3 :: native_int
    r4 :: short_int
    r5 :: bit
    r6, r7 :: object
    r8, x :: int
    r9, y :: bool
    r10 :: int32
    r11 :: bit
    r12 :: bool
    r13 :: short_int
    r14 :: bit
L0:
    r0 = 0
    r1 = PyObject_GetIter(b)
L1:
    r2 = get_element_ptr a ob_size :: PyVarObject
    r3 = load_mem r2, a :: native_int*
    r4 = r3 << 1
    r5 = r0 < r4 :: signed
    if r5 goto L2 else goto L7 :: bool
L2:
    r6 = PyIter_Next(r1)
    if is_error(r6) goto L7 else goto L3
L3:
    r7 = CPyList_GetItemUnsafe(a, r0)
    r8 = unbox(int, r7)
    x = r8
    r9 = unbox(bool, r6)
    y = r9
    r10 = PyObject_IsTrue(b)
    r11 = r10 >= 0 :: signed
    r12 = truncate r10: int32 to builtins.bool
    if r12 goto L4 else goto L5 :: bool
L4:
    x = 2
L5:
L6:
    r13 = r0 + 2
    r0 = r13
    goto L1
L7:
    r14 = CPy_NoErrOccured()
L8:
    return 1
def g(a, b):
    a :: object
    b :: list
    r0 :: object
    r1, r2 :: short_int
    z :: int
    r3 :: object
    r4 :: ptr
    r5 :: native_int
    r6 :: short_int
    r7, r8 :: bit
    r9, x :: bool
    r10 :: object
    r11, y :: int
    r12, r13 :: short_int
    r14 :: bit
L0:
    r0 = PyObject_GetIter(a)
    r1 = 0
    r2 = 0
    z = r2
L1:
    r3 = PyIter_Next(r0)
    if is_error(r3) goto L6 else goto L2
L2:
    r4 = get_element_ptr b ob_size :: PyVarObject
    r5 = load_mem r4, b :: native_int*
    r6 = r5 << 1
    r7 = r1 < r6 :: signed
    if r7 goto L3 else goto L6 :: bool
L3:
    r8 = r2 < 10 :: signed
    if r8 goto L4 else goto L6 :: bool
L4:
    r9 = unbox(bool, r3)
    x = r9
    r10 = CPyList_GetItemUnsafe(b, r1)
    r11 = unbox(int, r10)
    y = r11
    x = 0
L5:
    r12 = r1 + 2
    r1 = r12
    r13 = r2 + 2
    r2 = r13
    z = r13
    goto L1
L6:
    r14 = CPy_NoErrOccured()
L7:
    return 1