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* [Bug tree-optimization/102046] New: [12 Regression] ICE: tree check: expected class 'type', have 'exceptional' (error_mark) in useless_type_conversion_p, at gimple-expr.c:87 with -O3 -march=btver2
@ 2021-08-24 15:53 zsojka at seznam dot cz
  2021-08-24 21:51 ` [Bug tree-optimization/102046] " pinskia at gcc dot gnu.org
                   ` (13 more replies)
  0 siblings, 14 replies; 15+ messages in thread
From: zsojka at seznam dot cz @ 2021-08-24 15:53 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102046

            Bug ID: 102046
           Summary: [12 Regression] ICE: tree check: expected class
                    'type', have 'exceptional' (error_mark) in
                    useless_type_conversion_p, at gimple-expr.c:87 with
                    -O3 -march=btver2
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: zsojka at seznam dot cz
  Target Milestone: ---
              Host: x86_64-pc-linux-gnu

Created attachment 51352
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51352&action=edit
reduced testcase

Compiler output:
$ x86_64-pc-linux-gnu-gcc -O3 -march=btver2 testcase.c 
during GIMPLE pass: slp
testcase.c: In function 'foo':
testcase.c:9:1: internal compiler error: tree check: expected class 'type',
have 'exceptional' (error_mark) in useless_type_conversion_p, at
gimple-expr.c:87
    9 | foo (struct S *o)
      | ^~~
0x7b5b32 tree_class_check_failed(tree_node const*, tree_code_class, char
const*, int, char const*)
        /repo/gcc-trunk/gcc/tree.c:8738
0x6a48da tree_class_check(tree_node*, tree_code_class, char const*, int, char
const*)
        /repo/gcc-trunk/gcc/tree.h:3514
0x6a48da useless_type_conversion_p(tree_node*, tree_node*)
        /repo/gcc-trunk/gcc/gimple-expr.c:87
0x1101c23 verify_gimple_assign_single
        /repo/gcc-trunk/gcc/tree-cfg.c:4647
0x1101c23 verify_gimple_assign
        /repo/gcc-trunk/gcc/tree-cfg.c:4716
0x1101c23 verify_gimple_stmt
        /repo/gcc-trunk/gcc/tree-cfg.c:4981
0x1105a19 verify_gimple_in_cfg(function*, bool)
        /repo/gcc-trunk/gcc/tree-cfg.c:5467
0xfb1a37 execute_function_todo
        /repo/gcc-trunk/gcc/passes.c:2042
0xfb244e execute_todo
        /repo/gcc-trunk/gcc/passes.c:2096
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.

$ x86_64-pc-linux-gnu-gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest/bin/x86_64-pc-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r12-3106-20210824080953-g0deabebedd1-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/12.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++
--enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra
--with-cloog --with-ppl --with-isl --build=x86_64-pc-linux-gnu
--host=x86_64-pc-linux-gnu --target=x86_64-pc-linux-gnu
--with-ld=/usr/bin/x86_64-pc-linux-gnu-ld
--with-as=/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-r12-3106-20210824080953-g0deabebedd1-checking-yes-rtl-df-extra-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 12.0.0 20210824 (experimental) (GCC)

^ permalink raw reply	[flat|nested] 15+ messages in thread
end of thread, other threads:[~2021-10-29  2:01 UTC | newest]

Thread overview: 15+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-08-24 15:53 [Bug tree-optimization/102046] New: [12 Regression] ICE: tree check: expected class 'type', have 'exceptional' (error_mark) in useless_type_conversion_p, at gimple-expr.c:87 with -O3 -march=btver2 zsojka at seznam dot cz
2021-08-24 21:51 ` [Bug tree-optimization/102046] " pinskia at gcc dot gnu.org
2021-08-24 21:53 ` pinskia at gcc dot gnu.org
2021-08-24 22:00 ` pinskia at gcc dot gnu.org
2021-08-25  7:39 ` rguenth at gcc dot gnu.org
2021-08-25  8:01 ` [Bug tree-optimization/102046] [12 Regression] ICE: tree check: expected class 'type', have 'exceptional' (error_mark) in useless_type_conversion_p, at gimple-expr.c:87 with -O3 -march=btver2 since r12-1372-ga325bdd195ee96f8 marxin at gcc dot gnu.org
2021-08-25  9:32 ` cvs-commit at gcc dot gnu.org
2021-08-25  9:56 ` [Bug tree-optimization/102046] [10/11 " rguenth at gcc dot gnu.org
2021-09-06  8:50 ` cvs-commit at gcc dot gnu.org
2021-10-13 11:09 ` [Bug tree-optimization/102046] [10 " cvs-commit at gcc dot gnu.org
2021-10-13 11:10 ` rguenth at gcc dot gnu.org
2021-10-29  1:55 ` duan.db at linux dot alibaba.com
2021-10-29  1:56 ` duan.db at linux dot alibaba.com
2021-10-29  1:59 ` duan.db at linux dot alibaba.com
2021-10-29  2:01 ` duan.db at linux dot alibaba.com

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