From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-309465-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 31123 invoked by alias); 22 Feb 2010 13:17:16 -0000
Received: (qmail 30935 invoked by uid 48); 22 Feb 2010 13:17:02 -0000
Date: Mon, 22 Feb 2010 13:17:00 -0000
Subject: [Bug tree-optimization/43141]  New: [4.5 Regression] Wrong debug information with IPA-SRA
X-Bugzilla-Reason: CC
Message-ID: <bug-43141-10053@http.gcc.gnu.org/bugzilla/>
Reply-To: gcc-bugzilla@gcc.gnu.org
To: gcc-bugs@gcc.gnu.org
From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Id: <gcc-bugs.gcc.gnu.org>
List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-help@gcc.gnu.org>
Sender: gcc-bugs-owner@gcc.gnu.org
X-SW-Source: 2010-02/txt/msg02217.txt.bz2

Split out from PR42336.

But here's a C testcase where we lose debug info about a parameter that was
optimized away: there are no formal parameters in the DWARF output for f.

int i;
static int f(int) __attribute ((noinline));
static int f(int x) { return i; }

int main()
{
  return f(42);
}


-- 
           Summary: [4.5 Regression] Wrong debug information with IPA-SRA
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Keywords: wrong-debug
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: rguenth at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43141