Add news entry.

markshannon · markshannon · commit 20eea929edd3 · 2019-09-11T10:19:29.000+01:00
diff --git a/Misc/NEWS.d/next/Core and Builtins/2019-06-09-10-54-31.bpo-37207.bLjgLR.rst b/Misc/NEWS.d/next/Core and Builtins/2019-06-09-10-54-31.bpo-37207.bLjgLR.rst
@@ -0,0 +1,2 @@
+Speed up calls to ``range()``, ``list()`` and ``dict()`` by about 30%, by
+using the PEP 590 ``vectorcall`` calling convention.

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	+Speed up calls to ``range()``, ``list()`` and ``dict()`` by about 30%, by
	`2`	+using the PEP 590 ``vectorcall`` calling convention.