optimization/9123: [3.2/3.3/3.4 regression ] Internal compiler error in do_SUBST at combine.c:434

[Eric Botcazou]

The following reply was made to PR optimization/9123; it has been noted by GNATS.

From: Eric Botcazou <ebotcazou@libertysurf.fr>
To: Jason Merrill <jason@redhat.com>
Cc: gcc-bugs@gcc.gnu.org,
 khindenburg@cherrynebula.net,
 nobody@gcc.gnu.org,
 gcc-gnats@gcc.gnu.org
Subject: Re: optimization/9123: [3.2/3.3/3.4 regression ] Internal compiler error in do_SUBST at combine.c:434
Date: Fri, 28 Mar 2003 20:54:18 +0100

 > Hmm, I seem to have attached the wrong C testcase.  To fail, it needs
 > consts.  It fails with 3.2 and 3.3, but seems to be fixed on the trunk.
 >
 > typedef unsigned char T;
 > inline T clamp (const T in, const T min, const T max)
 > {
 >   return in <= min ? min : in >= max ? max : in;
 > }
 > unsigned char f (int i)
 > {
 >   return clamp (i, 0, 255);
 > }
 
 I can't reproduce on any branch on i586-redhat-linux-gnu. I strongly suspect 
 that I fixed it everywhere two weeks ago with:
 
 2003-03-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
 
 	PR optimization/8396
 	* tree-inline.c (initialize_inlined_parameters): Make sure the value
 	of read-only constant arguments is passed with the right type.
 
 Are your 3.2 and 3.3 compilers up-to-date?
 
 -- 
 Eric Botcazou