[Bug tree-optimization/71736] ICE in verify_ssa

[bernd.edlinger at hotmail dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71736

--- Comment #4 from Bernd Edlinger <bernd.edlinger at hotmail dot de> ---
gcc -c min.c
min.c: In function 'signal_handler':
min.c:28:36: warning: implicit declaration of function 'bb_error_msg_and_die'
[-Wimplicit-function-declaration]
 ).__i))) & 0x7f) + 1) >> 1) > 0) ) bb_error_msg_and_die("helper killed by
signal %u", (((__extension__ (((union {
                                    ^~~~~~~~~~~~~~~~~~~~
min.c:45:25: warning: implicit declaration of function 'vfork'; did you mean
'fork'? [-Wimplicit-function-declaration]
  pid_t bb__xvfork_pid = vfork();
                         ^~~~~
                         fork
min.c:49:2: error: definition in block 6 does not dominate use in block 7
  }
  ^
for SSA_NAME: ptr_to_globals.0_11 in statement:
# .MEM_25 = VDEF <.MEM_22>
ptr_to_globals.0_11->helper_pid = _24;
min.c:49:2: internal compiler error: verify_ssa failed
0xd792cc verify_ssa(bool, bool)
        ../../gcc-trunk/gcc/tree-ssa.c:1039
0xaa24ed execute_function_todo
        ../../gcc-trunk/gcc/passes.c:1971
0xaa34eb execute_todo
        ../../gcc-trunk/gcc/passes.c:2016
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