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* [Bug c/101478] New: ICE on invalid code: recompute_tree_invariant_for_addr_expr
@ 2021-07-16 20:42 cnsun at uwaterloo dot ca
  2021-08-22  4:42 ` [Bug c/101478] [10/11/12 Regression] " pinskia at gcc dot gnu.org
                   ` (5 more replies)
  0 siblings, 6 replies; 7+ messages in thread
From: cnsun at uwaterloo dot ca @ 2021-07-16 20:42 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101478

            Bug ID: 101478
           Summary: ICE on invalid code:
                    recompute_tree_invariant_for_addr_expr
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: cnsun at uwaterloo dot ca
  Target Milestone: ---

This might be a duplicate of PR 84244. But that issue has a fortran test
program.

$ gcc-trunk -v
Using built-in specs.
COLLECT_GCC=gcc-trunk
COLLECT_LTO_WRAPPER=/scratch/software/gcc-trunk/libexec/gcc/x86_64-pc-linux-gnu/12.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/configure
--enable-languages=c,c++,lto --enable-checking-yes --enable-multiarch
--prefix=/scratch/software/gcc-trunk --disable-bootstrap
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 12.0.0 20210716 (experimental) [master revision
:2c298de71:d97d71a1989e9ee8e1b8563b351c42b7732da108] (GCC)

$ cat mutant.c
struct obj {
  int n;
  list l;
} main() {
  obj o = (struct obj *)((char *)({ 1; }) - (char *)&((struct obj *)0)->l);
}

$ gcc-trunk  mutant.c
mutant.c:3:3: error: unknown type name ‘list’
    3 |   list l;
      |   ^~~~
mutant.c: In function ‘main’:
mutant.c:5:3: error: unknown type name ‘obj’; use ‘struct’ keyword to refer to
the type
    5 |   obj o = (struct obj *)((char *)({ 1; }) - (char *)&((struct obj
*)0)->l);
      |   ^~~
      |   struct
mutant.c:5:26: warning: cast to pointer from integer of different size
[-Wint-to-pointer-cast]
    5 |   obj o = (struct obj *)((char *)({ 1; }) - (char *)&((struct obj
*)0)->l);
      |                          ^
mutant.c:5:11: warning: initialization of ‘int’ from ‘struct obj *’ makes
integer from pointer without a cast [-Wint-conversion]
    5 |   obj o = (struct obj *)((char *)({ 1; }) - (char *)&((struct obj
*)0)->l);
      |           ^
mutant.c:5:11: internal compiler error: in
recompute_tree_invariant_for_addr_expr, at tree.c:4795
    5 |   obj o = (struct obj *)((char *)({ 1; }) - (char *)&((struct obj
*)0)->l);
      |          
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
0x7d4928 recompute_tree_invariant_for_addr_expr(tree_node*)
        /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/tree.c:4795
0xc58424 gimplify_addr_expr
        /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/gimplify.c:6239
0xc4ae1f gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/gimplify.c:14257
0xc4a55b gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/gimplify.c:14515
0xc4a55b gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/gimplify.c:14515
0xc56f4f gimplify_modify_expr
        /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/gimplify.c:5807
0xc4a2e0 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/gimplify.c:14210
0xc4dcca gimplify_stmt(tree_node**, gimple**)
        /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/gimplify.c:6869
0xc51057 gimplify_and_add(tree_node*, gimple**)
        /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/gimplify.c:494
0xc51057 gimplify_decl_expr
        /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/gimplify.c:1831
0xc4ae06 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/gimplify.c:14407
0xc4dcca gimplify_stmt(tree_node**, gimple**)
        /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/gimplify.c:6869
0xc4e4fe gimplify_bind_expr
        /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/gimplify.c:1426
0xc4b4dc gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/gimplify.c:14411
0xc4dcca gimplify_stmt(tree_node**, gimple**)
        /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/gimplify.c:6869
0xc4f2f3 gimplify_body(tree_node*, bool)
        /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/gimplify.c:15443
0xc4f741 gimplify_function_tree(tree_node*)
        /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/gimplify.c:15597
0xaa2467 cgraph_node::analyze()
        /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/cgraphunit.c:670
0xaa5341 analyze_functions
        /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/cgraphunit.c:1234
0xaa5e21 symbol_table::finalize_compilation_unit()
        /tmp/tmp.K5cVOXlrxH-gcc-builder/gcc/gcc/cgraphunit.c:2508
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.

^ permalink raw reply	[flat|nested] 7+ messages in thread
end of thread, other threads:[~2024-03-23 20:14 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-07-16 20:42 [Bug c/101478] New: ICE on invalid code: recompute_tree_invariant_for_addr_expr cnsun at uwaterloo dot ca
2021-08-22  4:42 ` [Bug c/101478] [10/11/12 Regression] " pinskia at gcc dot gnu.org
2022-01-09  0:36 ` pinskia at gcc dot gnu.org
2022-01-20 12:47 ` rguenth at gcc dot gnu.org
2022-06-28 10:45 ` [Bug c/101478] [10/11/12/13 " jakub at gcc dot gnu.org
2023-07-07 10:40 ` [Bug c/101478] [11/12/13/14 " rguenth at gcc dot gnu.org
2024-03-23 20:14 ` [Bug c/101478] [11/12/13/14 Regression] ICE with statement expression and offsetof like expression pinskia at gcc dot gnu.org

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