[Bug target/67110] New: gcc.target/i386/iamcu/test_struct_returning.c execution test FAILs with -fpic

["ubizjak at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67110

            Bug ID: 67110
           Summary: gcc.target/i386/iamcu/test_struct_returning.c
                    execution test FAILs with -fpic
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: ubizjak at gmail dot com
  Target Milestone: ---

As seen in [1], gcc.target/i386/iamcu/test_struct_returning.c execution test
FAILs with -fpic

/ssd/uros/gcc-build/gcc/xgcc -B/ssd/uros/gcc-build/gcc/
/home/uros/gcc-svn/trunk/gcc/testsuite/gcc.target/i386/iamcu/test_struct_returning.c
/home/uros/gcc-svn/trunk/gcc/testsuite/gcc.target/i386/iamcu/asm-support.S 
-m32  -O2 -fpic  -miamcu

Program received signal SIGSEGV, Segmentation fault.
0x08048385 in main () at
/home/uros/gcc-svn/trunk/gcc/testsuite/gcc.target/i386/iamcu/test_struct_returning.c:336
336       D(1) D(2) D(3) D(4) D(5) D(6) D(7)
(gdb) list
331     }
332
333     int
334     main (void)
335     {
336       D(1) D(2) D(3) D(4) D(5) D(6) D(7)
337
338       D(30)
339
340       D(50) D(51) D(52) D(53) D(54) D(55) D(56) D(57) D(58) D(59)

(gdb) disass
Dump of assembler code for function main:
   0x08048300 <+0>:     push   %ebp
   0x08048301 <+1>:     push   %edi
   0x08048302 <+2>:     mov    $0x18,%ecx
   0x08048307 <+7>:     push   %esi
   0x08048308 <+8>:     push   %ebx
   0x08048309 <+9>:     xor    %edx,%edx
   0x0804830b <+11>:    call   0x80499c0 <__x86.get_pc_thunk.bx>
   0x08048310 <+16>:    add    $0x4cf0,%ebx
   0x08048316 <+22>:    sub    $0x108,%esp
   0x0804831c <+28>:    lea    0x2f0(%ebx),%edi
   0x08048322 <+34>:    lea    0x2ce(%ebx),%eax
   0x08048328 <+40>:    lea    0x2ec(%ebx),%ebp
   0x0804832e <+46>:    lea    0x304(%ebx),%esi
   0x08048334 <+52>:    mov    %eax,(%edi)
   0x08048336 <+54>:    lea    0x2fc(%ebx),%eax
   0x0804833c <+60>:    movl   $0x1,0x0(%ebp)
   0x08048343 <+67>:    movl   $0x0,(%esi)
   0x08048349 <+73>:    mov    %eax,(%esp)
   0x0804834c <+76>:    movl   $0x0,(%eax)
   0x08048352 <+82>:    lea    0x2f8(%ebx),%eax
   0x08048358 <+88>:    mov    %eax,0x4(%esp)
   0x0804835c <+92>:    movl   $0x0,(%eax)
   0x08048362 <+98>:    lea    0x2d4(%ebx),%eax
   0x08048368 <+104>:   mov    %eax,0x8(%esp)
   0x0804836c <+108>:   call   0x804ac30 <iamcu_memset>
   0x08048371 <+113>:   xor    %edx,%ebx
   0x08048373 <+115>:   xor    %ecx,%ecx
   0x08048375 <+117>:   lea    0x2f4(%ebx),%edx
   0x0804837b <+123>:   lea    -0x3550(%ebx),%eax
   0x08048381 <+129>:   mov    %edx,0xc(%esp)
=> 0x08048385 <+133>:   mov    %eax,(%edx)
   0x08048387 <+135>:   call   0x804ab00 <snapshot_ret>
   0x0804838c <+140>:   mov    %al,0x2ce(%ebx)
   0x08048392 <+146>:   lea    0xf8(%ebx),%eax
   0x08048398 <+152>:   mov    $0x1,%edx
   0x0804839d <+157>:   mov    (%eax),%eax
   0x0804839f <+159>:   call   0x804a950 <check_all>

(gdb) i r edx
edx            0x5c8    1480

[1] https://gcc.gnu.org/ml/gcc-testresults/2015-08/msg00271.html