[Bug fortran/67073] short program produces ICE

[gerhard.steinmetz.fortran@t-online.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67073

Gerhard Steinmetz <gerhard.steinmetz.fortran@t-online.de> changed:

           What    |Removed                     |Added
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                 CC|                            |gerhard.steinmetz.fortran@t
                   |                            |-online.de

--- Comment #2 from Gerhard Steinmetz <gerhard.steinmetz.fortran@t-online.de> ---
Please let me add a (new) backtrace, analogous to pr70696 comment 3 :


$ gfortran-7-20161002 -fcoarray=lib -c pr67073_c1.f90
pr67073_c1.f90:6:0:

     lock (lock2)

internal compiler error: in gfc_get_tree_for_caf_expr, at
fortran/trans-expr.c:1909
0x759923 gfc_get_tree_for_caf_expr(gfc_expr*)
        ../../gcc/fortran/trans-expr.c:1909
0x7a73f7 gfc_trans_lock_unlock(gfc_code*, gfc_exec_op)
        ../../gcc/fortran/trans-stmt.c:715
0x723fe7 trans_code
        ../../gcc/fortran/trans.c:1853
0x7538f8 gfc_generate_function_code(gfc_namespace*)
        ../../gcc/fortran/trans-decl.c:6257
0x753747 gfc_generate_contained_functions
        ../../gcc/fortran/trans-decl.c:5237
0x753747 gfc_generate_function_code(gfc_namespace*)
        ../../gcc/fortran/trans-decl.c:6186
0x6de270 translate_all_program_units
        ../../gcc/fortran/parse.c:5940
0x6de270 gfc_parse_file()
        ../../gcc/fortran/parse.c:6146
0x720e82 gfc_be_parse_file
        ../../gcc/fortran/f95-lang.c:198