Issue #3697: "Fatal Python error: Cannot recover from stack overflow"

could be easily encountered under Windows in debug mode when exercising
the recursion limit checking code, due to bogus handling of recursion
limit when USE_STACKCHEK was enabled.

Reviewed by Amaury Forgeot d'Arc on IRC.

Python/ceval.c

@@ -471,6 +471,7 @@ _Py_CheckRecursiveCall(char *where)
 		return -1;
 	}
 #endif
+	_Py_CheckRecursionLimit = recursion_limit;
 	if (tstate->recursion_critical)
 		/* Somebody asked that we don't check for recursion. */
 		return 0;
@@ -489,7 +490,6 @@ _Py_CheckRecursiveCall(char *where)
 			     where);
 		return -1;
 	}
-	_Py_CheckRecursionLimit = recursion_limit;
 	return 0;
 }