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From: "regehr at cs dot utah.edu" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/47428] New: ICE: tree check: expected ssa_name, have integer_cst in copy_phis_for_bb, at tree-inline.c:1986
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47428

           Summary: ICE: tree check: expected ssa_name, have integer_cst
                    in copy_phis_for_bb, at tree-inline.c:1986
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: regehr@cs.utah.edu
                CC: chenyang@cs.utah.edu
              Host: x86_64-unknown-linux-gnu
            Target: x86_64-unknown-linux-gnu
             Build: x86_64-unknown-linux-gnu


[regehr@gamow tmp444]$ current-gcc -c -O3 small.c

small.c: In function 'foo':
small.c:22:12: internal compiler error: tree check: expected ssa_name, have
integer_cst in copy_phis_for_bb, at tree-inline.c:1986
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

[regehr@gamow tmp444]$ current-gcc -v

Using built-in specs.
COLLECT_GCC=current-gcc
COLLECT_LTO_WRAPPER=/uusoc/exports/scratch/regehr/z/compiler-install/gcc-r169143-install/bin/../libexec/gcc/x86_64-unknown-linux-gnu/4.6.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: ../configure --with-libelf=/usr/local --enable-lto
--prefix=/home/regehr/z/compiler-install/gcc-r169143-install
--program-prefix=r169143- --enable-languages=c,c++
Thread model: posix
gcc version 4.6.0 20110123 (experimental) (GCC) 

[regehr@gamow tmp444]$ cat small.c


struct S2
{
  int f6;
};

int g_65;

struct S2 g_180;

void func_121 (struct S2 p_122);

int func_56 (int p_58, int p_59)
{
  int i;
  for (i = 0; i < 1; i = 1)
    for (p_59 = 0; p_59 < 1; p_59 = 1);
  return p_59;
}

void foo (void)
{
  func_106 (0);
}

int func_106 (const int p_107, int p_108)
{
  if (func_56 (func_56 (0, p_107), 0))
    return 0;
  else
    func_121 (g_180);
  return 0;
}

void func_121 (struct S2 p_122)
{
  for (0; 1; 0)
    for (; p_122.f6;)
      g_65 = 0 ? : func_56 (0,0);
}