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* [Bug c/100536] New: ICE: in expand_call, at calls.c:4980
@ 2021-05-11 16:20 cnsun at uwaterloo dot ca
  2021-05-11 22:03 ` [Bug middle-end/100536] ICE: in expand_call with large union (1GB) argument pinskia at gcc dot gnu.org
                   ` (6 more replies)
  0 siblings, 7 replies; 8+ messages in thread
From: cnsun at uwaterloo dot ca @ 2021-05-11 16:20 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100536

            Bug ID: 100536
           Summary: ICE: in expand_call, at calls.c:4980
           Product: gcc
           Version: tree-ssa
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: cnsun at uwaterloo dot ca
  Target Milestone: ---

$ 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.FUbEknNORK-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 20210511 (experimental) [master revision
:7db32cac8:aa891c56f25baac94db004e309d1b6e40b770a95] (GCC)

$ cat mutant.c
struct {
  union {
    union {
      union {
        union {
          union {
            union {
              double b[4];
            } a[18];
          } a[18];
        } a[18];
      } a[18];
    } a[18];
  } a[18];
} s;
baz() { bar(s); }

$ gcc-trunk  mutant.c
mutant.c:16:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
   16 | baz() { bar(s); }
      | ^~~
mutant.c: In function ‘baz’:
mutant.c:16:9: warning: implicit declaration of function ‘bar’; did you mean
‘baz’? [-Wimplicit-function-declaration]
   16 | baz() { bar(s); }
      |         ^~~
      |         baz
mutant.c:16:9: sorry, unimplemented: passing too large argument on stack
   16 | baz() { bar(s); }
      |         ^~~~~~
during RTL pass: expand
mutant.c:16:9: internal compiler error: in expand_call, at calls.c:4980
0x686a4e expand_call(tree_node*, rtx_def*, int)
        /tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/calls.c:4980
0xb5fe9e expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
        /tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/expr.c:11461
0xa3cfc9 expand_expr
        /tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/expr.h:301
0xa3cfc9 expand_call_stmt
        /tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/cfgexpand.c:2843
0xa3cfc9 expand_gimple_stmt_1
        /tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/cfgexpand.c:3847
0xa3cfc9 expand_gimple_stmt
        /tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/cfgexpand.c:4011
0xa428c9 expand_gimple_basic_block
        /tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/cfgexpand.c:6048
0xa4451f execute
        /tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/cfgexpand.c:6732
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] 8+ messages in thread
end of thread, other threads:[~2022-02-28  8:07 UTC | newest]

Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-05-11 16:20 [Bug c/100536] New: ICE: in expand_call, at calls.c:4980 cnsun at uwaterloo dot ca
2021-05-11 22:03 ` [Bug middle-end/100536] ICE: in expand_call with large union (1GB) argument pinskia at gcc dot gnu.org
2021-05-12  6:45 ` rguenth at gcc dot gnu.org
2021-05-12 22:56 ` cnsun at uwaterloo dot ca
2021-07-04 18:21 ` pinskia at gcc dot gnu.org
2022-01-10 21:27 ` k.even-mendoza at imperial dot ac.uk
2022-01-11  1:17 ` pinskia at gcc dot gnu.org
2022-02-28  8:07 ` roger at nextmovesoftware dot com

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