[Bug middle-end/67222] New: ICE in gimple_call_arg with bogus posix_memalign

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67222

            Bug ID: 67222
           Summary: ICE in gimple_call_arg with bogus posix_memalign
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: mpolacek at gcc dot gnu.org
  Target Milestone: ---

int
main (void)
{
  posix_memalign ();
}

$ ./cc1 -quiet -O k.c
k.c: In function ‘main’:
k.c:4:3: warning: implicit declaration of function ‘posix_memalign’
[-Wimplicit-function-declaration]
   posix_memalign ();
   ^
k.c:2:1: internal compiler error: in gimple_call_arg, at gimple.h:3099
 main (void)
 ^
0x159df7d gimple_call_arg
        /home/marek/src/gcc/gcc/gimple.h:3099
0x159dfd3 gimple_call_arg
        /home/marek/src/gcc/gcc/gimple.h:3107
0x159fa88 lower_builtin_posix_memalign
        /home/marek/src/gcc/gcc/gimple-low.c:819
0x159eccb lower_stmt
        /home/marek/src/gcc/gcc/gimple-low.c:351
0x159e8f6 lower_sequence
        /home/marek/src/gcc/gcc/gimple-low.c:212
0x159ef78 lower_gimple_bind
        /home/marek/src/gcc/gcc/gimple-low.c:426
0x159e9f8 lower_stmt
        /home/marek/src/gcc/gcc/gimple-low.c:250
0x159e8f6 lower_sequence
        /home/marek/src/gcc/gcc/gimple-low.c:212
0x159ef78 lower_gimple_bind
        /home/marek/src/gcc/gcc/gimple-low.c:426
0x159e593 lower_function_body
        /home/marek/src/gcc/gcc/gimple-low.c:116
0x159e85a execute
        /home/marek/src/gcc/gcc/gimple-low.c:190
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