bpo-32690: Preserve order of locals() (#5379)
diff --git a/Misc/NEWS.d/next/Core and Builtins/2018-01-28-09-26-07.bpo-32690.8i9g5P.rst b/Misc/NEWS.d/next/Core and Builtins/2018-01-28-09-26-07.bpo-32690.8i9g5P.rst
new file mode 100644
index 0000000..1663b96
--- /dev/null
+++ b/Misc/NEWS.d/next/Core and Builtins/2018-01-28-09-26-07.bpo-32690.8i9g5P.rst
@@ -0,0 +1,2 @@
+The locals() dictionary now displays in the lexical order that variables
+were defined. Previously, the order was reversed.
diff --git a/Objects/frameobject.c b/Objects/frameobject.c
index 1ac3d75..3083e5b 100644
--- a/Objects/frameobject.c
+++ b/Objects/frameobject.c
@@ -791,7 +791,7 @@
assert(PyTuple_Check(map));
assert(PyDict_Check(dict));
assert(PyTuple_Size(map) >= nmap);
- for (j = nmap; --j >= 0; ) {
+ for (j=0; j < nmap; j++) {
PyObject *key = PyTuple_GET_ITEM(map, j);
PyObject *value = values[j];
assert(PyUnicode_Check(key));
@@ -844,7 +844,7 @@
assert(PyTuple_Check(map));
assert(PyDict_Check(dict));
assert(PyTuple_Size(map) >= nmap);
- for (j = nmap; --j >= 0; ) {
+ for (j=0; j < nmap; j++) {
PyObject *key = PyTuple_GET_ITEM(map, j);
PyObject *value = PyObject_GetItem(dict, key);
assert(PyUnicode_Check(key));