[Bug middle-end/92725] New: ICE: Segmentation fault during GIMPLE pass

[anbu1024.me at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92725

            Bug ID: 92725
           Summary: ICE: Segmentation fault during GIMPLE pass
           Product: gcc
           Version: 8.3.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: anbu1024.me at gmail dot com
  Target Milestone: ---

$ cat 0.c 

int global ; 

void foo() ; 

__attribute__((returns_twice)) int bar() ; 

void baz(int, int); 

void main ( ) 
{ 
    int x;
    for ( ; ; ) 
        foo(); 
    baz(bar(), global); 
}

--------------------------------------------------------------------------------

$ gcc-snapshot8 --version
gcc (GCC) 8.3.1 20191122
Copyright (C) 2018 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

--------------------------------------------------------------------------------

$ gcc-snapshot8 0.c 
during GIMPLE pass: *build_cgraph_edges
0.c: In function ‘main’:
0.c:10:6: internal compiler error: Segmentation fault
 void main ( )
      ^~~~
0xa654af crash_signal
        ../../gcc-8-20191122/gcc/toplev.c:325
0x8275a0 useless_type_conversion_p(tree_node*, tree_node*)
        ../../gcc-8-20191122/gcc/gimple-expr.c:70
0x70606d types_compatible_p
        ../../gcc-8-20191122/gcc/gimple-expr.h:66
0x70606d gimple_check_call_args
        ../../gcc-8-20191122/gcc/cgraph.c:3798
0x70606d gimple_check_call_matching_types(gimple*, tree_node*, bool)
        ../../gcc-8-20191122/gcc/cgraph.c:3848
0x708346 symbol_table::create_edge(cgraph_node*, cgraph_node*, gcall*,
profile_count, bool)
        ../../gcc-8-20191122/gcc/cgraph.c:879
0x708544 cgraph_node::create_edge(cgraph_node*, gcall*, profile_count)
        ../../gcc-8-20191122/gcc/cgraph.c:914
0x70df6e execute
        ../../gcc-8-20191122/gcc/cgraphbuild.c:322
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.