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Go patch committed: Pass type information to heap allocations

From: Ian Taylor <iant at golang dot org>
To: gcc-patches at gcc dot gnu dot org, gofrontend-dev at googlegroups dot com
Date: Mon, 20 Oct 2014 12:12:50 -0700
Subject: Go patch committed: Pass type information to heap allocations
Authentication-results: sourceware.org; auth=none

This patch by Chris Manghane passes type information to
compiler-generated heap allocations in gccgo.  This gives us precise
type information for much of the gccgo heap, and means that garbage
collection is much more precise and less prone to errors due to
mistaking integer or float values as pointers.  Bootstrapped and ran
Go testsuite on x86_64-unknown-linux-gnu.  Committed to mainline.

Ian

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