[Bug c/61342] Segfault when using default clause and VLA in OpenMP task

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61342

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

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

--- Comment #1 from Gerhard Steinmetz <gerhard.steinmetz.fortran@t-online.de> ---
Update :


$ gcc-7-20170205 -fopenmp -c pr61342.c
'
In function 'main':
Segmentation fault
                 (*f)[i][j] = 1;
                 ~~~~~~~^~~
0xbf633f crash_signal
        ../../gcc/toplev.c:333
0x6aa870 c_tree_printer
        ../../gcc/c/c-objc-common.c:169
0x13df6cf pp_format(pretty_printer*, text_info*)
        ../../gcc/pretty-print.c:679
0x13d2aa8 diagnostic_report_diagnostic(diagnostic_context*, diagnostic_info*)
        ../../gcc/diagnostic.c:961
0x13d2e03 diagnostic_impl
        ../../gcc/diagnostic.c:1084
0x13d36d4 error(char const*, ...)
        ../../gcc/diagnostic.c:1310
0x96e275 omp_default_clause
        ../../gcc/gimplify.c:6825
0x96e275 omp_notice_variable
        ../../gcc/gimplify.c:7118
0x96ee85 gimplify_var_or_parm_decl
        ../../gcc/gimplify.c:2587
0x97387b gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        ../../gcc/gimplify.c:11646
0x972426 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        ../../gcc/gimplify.c:11931
0x97b74c gimplify_compound_lval
        ../../gcc/gimplify.c:2826
0x972653 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        ../../gcc/gimplify.c:11155
0x985e45 gimplify_modify_expr
        ../../gcc/gimplify.c:5473
0x9743ca gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        ../../gcc/gimplify.c:11203
0x9773e6 gimplify_stmt(tree_node**, gimple**)
        ../../gcc/gimplify.c:6478
0x9786cd gimplify_bind_expr
        ../../gcc/gimplify.c:1290
0x9745ba gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        ../../gcc/gimplify.c:11402
0x9773e6 gimplify_stmt(tree_node**, gimple**)
        ../../gcc/gimplify.c:6478
0x975b71 gimplify_and_add(tree_node*, gimple**)
        ../../gcc/gimplify.c:435