[Bug lto/55525] ICE: tree check: expected array_type, have pointer_type in array_ref_low_bound, at expr.c:6768

[d.g.gorbachev at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55525



--- Comment #2 from Dmitry Gorbachev <d.g.gorbachev at gmail dot com> 
2012-11-29 03:07:21 UTC ---

4.8.0:



In file included from :0:0:

1.c:3:6: warning: type of 's' does not match original declaration [enabled by

default]

 char s[8];

      ^

In file included from 1.c:8:0,

                 from :0:

2.c:1:7: note: previously declared here

 char *s = (char *) 0;

       ^

In file included from 1.c:8:0,

                 from :2:

1.c: In function 'main':

1.c:7:3: internal compiler error: tree check: expected array_type, have

pointer_type in array_ref_low_bound, at expr.c:6768

   return strcmp(&s[1], "foo");

   ^

0x87f7ab4 tree_check_failed(tree_node const*, char const*, int, char const*,

...)

    ../../gcc-4.8/gcc/tree.c:8955

0x815572e tree_check(tree_node*, char const*, int, char const*, tree_code)

    ../../gcc-4.8/gcc/tree.h:3680

0x82c5aec array_ref_low_bound(tree_node*)

    ../../gcc-4.8/gcc/expr.c:6768

0x82c5118 get_inner_reference(tree_node*, long long*, long long*, tree_node**,

machine_mode*, int*, int*, bool)

    ../../gcc-4.8/gcc/expr.c:6616

0x817d9d4 get_object_alignment_2

    ../../gcc-4.8/gcc/builtins.c:295

0x817e46a get_pointer_alignment_1(tree_node*, unsigned int*, unsigned long

long*)

    ../../gcc-4.8/gcc/builtins.c:493

0x817e6e0 get_pointer_alignment(tree_node*)

    ../../gcc-4.8/gcc/builtins.c:540

0x8187fd8 expand_builtin_strcmp

    ../../gcc-4.8/gcc/builtins.c:3768

0x818f7d8 expand_builtin(tree_node*, rtx_def*, rtx_def*, machine_mode, int)

    ../../gcc-4.8/gcc/builtins.c:6193

0x82d407d expand_expr_real_1(tree_node*, rtx_def*, machine_mode,

expand_modifier, rtx_def**)

    ../../gcc-4.8/gcc/expr.c:10108

0x82c96a3 expand_expr_real(tree_node*, rtx_def*, machine_mode, expand_modifier,

rtx_def**)

    ../../gcc-4.8/gcc/expr.c:7816

0x82beec7 store_expr(tree_node*, rtx_def*, int, bool)

    ../../gcc-4.8/gcc/expr.c:5192

0x82bdd8f expand_assignment(tree_node*, tree_node*, bool)

    ../../gcc-4.8/gcc/expr.c:4978

0x81d275a expand_call_stmt

    ../../gcc-4.8/gcc/cfgexpand.c:2113

0x81d2851 expand_gimple_stmt_1

    ../../gcc-4.8/gcc/cfgexpand.c:2153

0x81d2e99 expand_gimple_stmt

    ../../gcc-4.8/gcc/cfgexpand.c:2305

0x81d9a28 expand_gimple_basic_block

    ../../gcc-4.8/gcc/cfgexpand.c:4084

0x81db331 gimple_expand_cfg

    ../../gcc-4.8/gcc/cfgexpand.c:4603