Pablo Galindo Salgado <pablog...@gmail.com> added the comment:
There is something wrong elsewhere as well because even if reverting that
commit fix the problem:
❯ git reset --hard upstream/master
HEAD is now at bd2728b1e8 bpo-42806: Fix ast locations of f-strings inside
parentheses (GH-24067)
~/github/python/master master*
❯ git revert 28b75c80dcc1e17ed3ac1c69362bf8dc164b760a
Removing Misc/NEWS.d/next/Core and
Builtins/2020-12-22-20-30-11.bpo-42246.7BrPLg.rst
mak[master 444e7e11a8] Revert "bpo-42246: Don't eliminate jumps to jumps, if it
will break PEP 626. (GH-23896)"
7 files changed, 4605 insertions(+), 4707 deletions(-)
delete mode 100644 Misc/NEWS.d/next/Core and
Builtins/2020-12-22-20-30-11.bpo-42246.7BrPLg.rst
rewrite Python/importlib_external.h (87%)
rewrite Python/importlib_zipimport.h (85%)
e
~/github/python/master master* ⇡
❯ make -j -s
CC='gcc -pthread' LDSHARED='gcc -pthread -shared ' OPT='-g -Og -Wall'
_TCLTK_INCLUDES='' _TCLTK_LIBS='' ./python -E ./setup.py -q build
The following modules found by detect_modules() in setup.py, have been
built by the Makefile instead, as configured by the Setup files:
_abc pwd time
~/github/python/master master* ⇡
❯ ./python -m trace --trace ./lel.py
--- modulename: lel, funcname: <module>
lel.py(1): a = b = x = y = z = 1
lel.py(2): if a == 1:
lel.py(3): if b == 1:
lel.py(4): x = 4
lel.py(9): assert (a, b, x, y, z) == (1, 1, 4, 1, 1)
Not running the optimize_basic_block function:
diff --git a/Python/compile.c b/Python/compile.c
index 6698b55000..30a0305ef1 100644
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -6074,6 +6074,7 @@ fold_tuple_on_constants(struct instr *inst,
static int
optimize_basic_block(basicblock *bb, PyObject *consts)
{
+ return 0;
assert(PyList_CheckExact(consts));
struct instr nop;
nop.i_opcode = NOP;
makes the problem appear again:
❯ make -j -s
CC='gcc -pthread' LDSHARED='gcc -pthread -shared ' OPT='-g -Og -Wall'
_TCLTK_INCLUDES='' _TCLTK_LIBS='' ./python -E ./setup.py -q build
The following modules found by detect_modules() in setup.py, have been
built by the Makefile instead, as configured by the Setup files:
_abc pwd time
~/github/python/master master* ⇡
❯ ./python -m trace --trace ./lel.py
--- modulename: lel, funcname: <module>
lel.py(1): a = b = x = y = z = 1
lel.py(2): if a == 1:
lel.py(3): if b == 1:
lel.py(4): x = 4
lel.py(6): y = 6
lel.py(9): assert (a, b, x, y, z) == (1, 1, 4, 1, 1)
----------
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<https://bugs.python.org/issue42810>
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