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[committed] Canonicalize both function and method types for comparison

From: John David Anglin <dave dot anglin at bell dot net>
To: GCC Patches <gcc-patches at gcc dot gnu dot org>
Date: Sun, 25 Oct 2015 11:30:33 -0400
Subject: [committed] Canonicalize both function and method types for comparison
Authentication-results: sourceware.org; auth=none

The attached change fixes a bug compiling the qtbase-opensource-src package.  It compares pointers
to method types.  This failed as only FUNCTION_TYPES were canonicalized on hppa.

On 32-bit hppa, pointers to functions including methods point to non unique function descriptors and need
canonicalization prior to comparison.  The attached change fixes this problem.  32-bit hppa is the only
target that currently needs this canonicalization.

Tested on hppa2.0w-hp-hpux11.11 and hppa-unknown-linux-gnu with no observed regressions.  Committed
to trunk.

Dave
--
John David Anglin	dave.anglin@bell.net

Attachment: dojump.c.d.1.txt
Description: Text document

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