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Go patch committed: Omit nil check when dereferencing closure variable

From: Ian Lance Taylor <iant at golang dot org>
To: gcc-patches <gcc-patches at gcc dot gnu dot org>, "gofrontend-dev at googlegroups dot com" <gofrontend-dev at googlegroups dot com>
Date: Mon, 4 Dec 2017 18:03:27 -0800
Subject: Go patch committed: Omit nil check when dereferencing closure variable
Authentication-results: sourceware.org; auth=none

This patch to the Go frontend by Than McIntosh adds the "no nil check
needed" annotation to the dereference operations created in
Parse::enclosing_var_reference (this is safe since the closure object
is under control of the compiler, and pointer fields in it will always
be non-nil).  Bootstrapped and ran Go testsuite on
x86_64-pc-linux-gnu.  Committed to mainline.

Ian

Attachment: patch.txt
Description: Text document

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