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libgo patch committed: Pass -funwind-tables when compiling C code

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: Thu, 17 Aug 2017 21:40:47 -0700
Subject: libgo patch committed: Pass -funwind-tables when compiling C code
Authentication-results: sourceware.org; auth=none

This patch to the go tool in libgo changes it to use -funwind-tables
when compiling C code to support the cgo tool.  Using -funwind-tables
is necessary to permit Go code to correctly throw a panic through C
code.  This hasn't been necessary in the past as -funwind-tables is
the default on x86.  However, it is not the default for PPC AIX, among
other systems.  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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