[Bug debug/43190] New: [4.3/4.4/4.5 Regression] Used pointer typedefs eliminated from debug info

[Bug debug/43190] New: [4.3/4.4/4.5 Regression] Used pointer typedefs eliminated from debug info

[jakub at gcc dot gnu dot org]

// { dg-options "-gdwarf-2 -dA" }
// { dg-final { scan-assembler
"DW_TAG_structure_type\[^\\r\\n\]*\[\\r\\n\]+\[^\\r\\n\]*\"S\[^\\r\\n\]*DW_AT_name"
} }
// { dg-final { scan-assembler
"DW_TAG_typedef\[^\\r\\n\]*\[\\r\\n\]+\[^\\r\\n\]*\"T\[^\\r\\n\]*DW_AT_name" }
}

typedef struct S { int i; } *T;
#define M(p) ((T) (p))

void
foo (void *p)
{
  M (p)->i++;
}
used to work in 3.2 (the T typedef has been emitted into debug info), but
doesn't work in 4.3/4.4/4.5.


-- 
           Summary: [4.3/4.4/4.5 Regression] Used pointer typedefs
                    eliminated from debug info
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: debug
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: jakub at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43190

[Bug debug/43190] [4.3/4.4/4.5 Regression] Used pointer typedefs eliminated from debug info

[jakub at gcc dot gnu dot org]

------- Comment #1 from jakub at gcc dot gnu dot org  2010-02-26 11:25 -------
Created an attachment (id=19967)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=19967&action=view)
gcc45-pr43190.patch

Patch I'm going to bootstrap/regtest.


-- 

jakub at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |jakub at gcc dot gnu dot org
                   |dot org                     |
             Status|UNCONFIRMED                 |ASSIGNED


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43190

[Bug debug/43190] [4.3/4.4/4.5 Regression] Used pointer typedefs eliminated from debug info

[jakub at gcc dot gnu dot org]

------- Comment #2 from jakub at gcc dot gnu dot org  2010-02-26 15:59 -------
Subject: Bug 43190

Author: jakub
Date: Fri Feb 26 15:58:57 2010
New Revision: 157092

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157092
Log:
        PR debug/43190
        * function.c (used_types_insert): Don't skip through named pointer
        types.  Don't use TYPE_MAIN_VARIANT if the original type has a name
        and it is different from the main variant's type.

        * c-c++-common/dwarf2/pr43190.c: New test.

Added:
    trunk/gcc/testsuite/c-c++-common/dwarf2/pr43190.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/function.c
    trunk/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43190

[Bug debug/43190] [4.3/4.4 Regression] Used pointer typedefs eliminated from debug info

[jakub at gcc dot gnu dot org]

------- Comment #3 from jakub at gcc dot gnu dot org  2010-02-26 16:52 -------
Fixed on the trunk.


-- 

jakub at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[4.3/4.4/4.5 Regression]    |[4.3/4.4 Regression] Used
                   |Used pointer typedefs       |pointer typedefs eliminated
                   |eliminated from debug info  |from debug info


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43190

[Bug debug/43190] [4.3/4.4 Regression] Used pointer typedefs eliminated from debug info

[rguenth at gcc dot gnu dot org]

-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |4.3.5


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43190

[Bug debug/43190] [4.3/4.4 Regression] Used pointer typedefs eliminated from debug info

[rguenth at gcc dot gnu dot org]

-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P2


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43190

[Bug debug/43190] [4.3/4.4 Regression] Used pointer typedefs eliminated from debug info

[rguenth at gcc dot gnu dot org]

------- Comment #4 from rguenth at gcc dot gnu dot org  2010-05-22 18:13 -------
GCC 4.3.5 is being released, adjusting target milestone.


-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|4.3.5                       |4.3.6


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43190

[Bug debug/43190] [4.3/4.4 Regression] Used pointer typedefs eliminated from debug info

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43190

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|4.3.6                       |4.4.7

--- Comment #5 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-06-27 12:12:14 UTC ---
4.3 branch is being closed, moving to 4.4.7 target.