arm/161128: commit references a PR

[dfilter service]

The following reply was made to PR arm/161128; it has been noted by GNATS.

From: dfilter at FreeBSD.ORG (dfilter service)
To: bug-followup at FreeBSD.org
Cc:  
Subject: Re: arm/161128: commit references a PR
Date: Wed, 16 Nov 2011 14:38:02 +0000 (UTC)

 Author: fabient
 Date: Wed Nov 16 14:37:47 2011
 New Revision: 227552
 URL: http://svn.freebsd.org/changeset/base/227552
 
 Log:
   MFC r227391:
   Import gcc fix for -fstack-protector that produces segfaulting
   binaries on arm/armel.
   
   Related gcc bug:
   http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35965
   
   Author kindly accepted that all of his patches can be use as GPLv2.
   
   PR:	161128
 
 Modified:
   stable/7/contrib/gcc/config/arm/arm.c
 Directory Properties:
   stable/7/contrib/gcc/   (props changed)
 
 Modified: stable/7/contrib/gcc/config/arm/arm.c
 ==============================================================================
 --- stable/7/contrib/gcc/config/arm/arm.c	Wed Nov 16 14:33:30 2011	(r227551)
 +++ stable/7/contrib/gcc/config/arm/arm.c	Wed Nov 16 14:37:47 2011	(r227552)
 @@ -3217,7 +3217,8 @@ legitimize_pic_address (rtx orig, enum m
  	  gcc_assert (!no_new_pseudos);
  	  if (arm_pic_register != INVALID_REGNUM)
  	    {
 -	      cfun->machine->pic_reg = gen_rtx_REG (Pmode, arm_pic_register);
 +	      if (!cfun->machine->pic_reg)
 +		cfun->machine->pic_reg = gen_rtx_REG (Pmode, arm_pic_register);
  
  	      /* Play games to avoid marking the function as needing pic
  		 if we are being called as part of the cost-estimation
 @@ -3229,7 +3230,8 @@ legitimize_pic_address (rtx orig, enum m
  	    {
  	      rtx seq;
  
 -	      cfun->machine->pic_reg = gen_reg_rtx (Pmode);
 +	      if (!cfun->machine->pic_reg)
 +		  cfun->machine->pic_reg = gen_reg_rtx (Pmode);
  
  	      /* Play games to avoid marking the function as needing pic
  		 if we are being called as part of the cost-estimation
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