bpo-36142: Add _PyPreConfig.allocator (GH-12181)
* Move 'allocator' and 'dev_mode' fields from _PyCoreConfig
to _PyPreConfig.
* Fix InitConfigTests of test_embed: dev_mode sets allocator to
"debug", add a new tests for env vars with dev mode enabled.
diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index 50ba1a7..99fd460 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -2180,7 +2180,7 @@
SetFlag(config->quiet);
SetFlag(config->use_hash_seed == 0 || config->hash_seed != 0);
SetFlag(config->preconfig.isolated);
- PyStructSequence_SET_ITEM(seq, pos++, PyBool_FromLong(config->dev_mode));
+ PyStructSequence_SET_ITEM(seq, pos++, PyBool_FromLong(config->preconfig.dev_mode));
SetFlag(config->preconfig.utf8_mode);
#undef SetFlag