[Bug c++/38123] New: [4.3 regression] error: incorrect sharing of tree nodes ap->fp_offset = D.2748;

[Bug c++/38123] New: [4.3 regression] error: incorrect sharing of tree nodes ap->fp_offset = D.2748;

[edwintorok at gmail dot com]

[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1: Type: text/plain, Size: 2753 bytes --]

Compiling the attached file with latest g++ from trunk:

$ ~/gcc_inst/bin/g++
/home/edwin/llvm-svn/llvm-commit/projects/llvm-test/SingleSource/UnitTests/2003-08-11-VaListArg.c
/home/edwin/llvm-svn/llvm-commit/projects/llvm-test/SingleSource/UnitTests/2003-08-11-VaListArg.c:
In function ‘int main()’:
/home/edwin/llvm-svn/llvm-commit/projects/llvm-test/SingleSource/UnitTests/2003-08-11-VaListArg.c:84:
warning: deprecated conversion from string constant to ‘char*’
/home/edwin/llvm-svn/llvm-commit/projects/llvm-test/SingleSource/UnitTests/2003-08-11-VaListArg.c:85:
warning: deprecated conversion from string constant to ‘char*’
/home/edwin/llvm-svn/llvm-commit/projects/llvm-test/SingleSource/UnitTests/2003-08-11-VaListArg.c:88:
warning: deprecated conversion from string constant to ‘char*’
/home/edwin/llvm-svn/llvm-commit/projects/llvm-test/SingleSource/UnitTests/2003-08-11-VaListArg.c:89:
warning: deprecated conversion from string constant to ‘char*’
/home/edwin/llvm-svn/llvm-commit/projects/llvm-test/SingleSource/UnitTests/2003-08-11-VaListArg.c:92:
warning: deprecated conversion from string constant to ‘char*’
/home/edwin/llvm-svn/llvm-commit/projects/llvm-test/SingleSource/UnitTests/2003-08-11-VaListArg.c:93:
warning: deprecated conversion from string constant to ‘char*’
/home/edwin/llvm-svn/llvm-commit/projects/llvm-test/SingleSource/UnitTests/2003-08-11-VaListArg.c:
In function ‘void test(char*, __va_list_tag*)’:
/home/edwin/llvm-svn/llvm-commit/projects/llvm-test/SingleSource/UnitTests/2003-08-11-VaListArg.c:96:
error: incorrect sharing of tree nodes
ap->fp_offset = D.2748;

*ap
/home/edwin/llvm-svn/llvm-commit/projects/llvm-test/SingleSource/UnitTests/2003-08-11-VaListArg.c:96:
internal compiler error: verify_stmts failed
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

This is:
Using built-in specs.
Target: x86_64-unknown-linux-gnu
Configured with: ../gcc/configure --disable-multilib --disable-static
--prefix=/home/edwin/gcc_inst/ --enable-languages=c,c++
Thread model: posix
gcc version 4.4.0 20081114 (experimental) [trunk revision 141857] (GCC)


-- 
           Summary: [4.3 regression] error: incorrect sharing of tree nodes
                    ap->fp_offset = D.2748;
           Product: gcc
           Version: 4.4.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: edwintorok at gmail dot com
 GCC build triplet: x86_64-unknown-linux-gnu
  GCC host triplet: x86_64-unknown-linux-gnu
GCC target triplet: x86_64-unknown-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38123

[Bug c++/38123] [4.3 regression] error: incorrect sharing of tree nodes ap->fp_offset = D.2748;

[edwintorok at gmail dot com]

------- Comment #1 from edwintorok at gmail dot com  2008-11-14 20:15 -------
Created an attachment (id=16677)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=16677&action=view)
original sourcecode


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38123

[Bug c++/38123] [4.3 regression] error: incorrect sharing of tree nodes ap->fp_offset = D.2748;

[edwintorok at gmail dot com]

------- Comment #2 from edwintorok at gmail dot com  2008-11-14 20:18 -------
Created an attachment (id=16678)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=16678&action=view)
preprocessed source


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38123

[Bug target/38123] [4.4 regression] error: incorrect sharing of tree nodes ap->fp_offset = D.2748;

[pinskia at gcc dot gnu dot org]

-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |pinskia at gcc dot gnu dot
                   |                            |org
          Component|c++                         |target
            Summary|[4.3 regression] error:     |[4.4 regression] error:
                   |incorrect sharing of tree   |incorrect sharing of tree
                   |nodes ap->fp_offset =       |nodes ap->fp_offset =
                   |D.2748;                     |D.2748;
   Target Milestone|---                         |4.4.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38123

[Bug target/38123] [4.4 regression] error: incorrect sharing of tree nodes ap->fp_offset = D.2748;

[pinskia at gcc dot gnu dot org]

------- Comment #3 from pinskia at gcc dot gnu dot org  2008-11-14 21:59 -------
Reduced testcase:
typedef __builtin_va_list __gnuc_va_list;
typedef __gnuc_va_list va_list;
typedef struct QuadWordS_struct { int i; double d; } QuadWordS;
void test(char *fmt, va_list ap) {
  QuadWordS qw;
  qw = __builtin_va_arg(ap,QuadWordS);
}


-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1
           Keywords|                            |ice-on-valid-code
   Last reconfirmed|0000-00-00 00:00:00         |2008-11-14 21:59:06
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38123

[Bug target/38123] [4.4 regression] error: incorrect sharing of tree nodes ap->fp_offset = D.2748;

[jakub at gcc dot gnu dot org]

-- 

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|NEW                         |ASSIGNED
   Last reconfirmed|2008-11-14 21:59:06         |2008-11-14 22:36:57
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38123

[Bug target/38123] [4.4 regression] error: incorrect sharing of tree nodes ap->fp_offset = D.2748;

[jakub at gcc dot gnu dot org]

-- 

jakub at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P1


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38123

[Bug target/38123] [4.4 regression] error: incorrect sharing of tree nodes ap->fp_offset = D.2748;

[jakub at gcc dot gnu dot org]

------- Comment #4 from jakub at gcc dot gnu dot org  2008-11-15 16:41 -------
Subject: Bug 38123

Author: jakub
Date: Sat Nov 15 16:40:24 2008
New Revision: 141889

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=141889
Log:
        PR target/38123
        * config/i386/i386.c (ix86_gimplify_va_arg): Don't share valist between
        gpr and other COMPONENT_REFs.

        * gcc.c-torture/compile/pr38123.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr38123.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c
    trunk/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38123

[Bug target/38123] [4.4 regression] error: incorrect sharing of tree nodes ap->fp_offset = D.2748;

[jakub at gcc dot gnu dot org]

------- Comment #5 from jakub at gcc dot gnu dot org  2008-11-15 16:43 -------
Fixed.


-- 

jakub at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38123