https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103484

            Bug ID: 103484
           Summary: [12 Regression] ICE: in
                    ix86_attr_length_immediate_default, at
                    config/i386/i386.c:16686 with -O2 -fno-tree-bit-ccp
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: zsojka at seznam dot cz
  Target Milestone: ---
              Host: x86_64-pc-linux-gnu
            Target: x86_64-pc-linux-gnu

Created attachment 51904
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51904&action=edit
reduced testcase

This happens even after the PR103463 fix.

Compiler output:
$ x86_64-pc-linux-gnu-gcc -O2 -fno-tree-bit-ccp testcase.c 
during RTL pass: sched2
testcase.c: In function 'foo':
testcase.c:11:1: internal compiler error: in
ix86_attr_length_immediate_default, at config/i386/i386.c:16686
   11 | }
      | ^
0x81a047 ix86_attr_length_immediate_default(rtx_insn*, bool)
        /repo/gcc-trunk/gcc/config/i386/i386.c:16686
0x1ae7af8 insn_default_length(rtx_insn*)
        /repo/gcc-trunk/gcc/config/i386/i386.md:19335
0x16d4360 ix86_min_insn_size(rtx_insn*)
        /repo/gcc-trunk/gcc/config/i386/i386.c:21517
0x176fee0 core2i7_first_cycle_multipass_filter_ready_try
        /repo/gcc-trunk/gcc/config/i386/x86-tune-sched-core.c:107
0x22e8a1f max_issue(ready_list*, int, void*, bool, int*)
        /repo/gcc-trunk/gcc/haifa-sched.c:5952
0x22e92e6 choose_ready
        /repo/gcc-trunk/gcc/haifa-sched.c:6189
0x22f4a9b schedule_block(basic_block_def**, void*)
        /repo/gcc-trunk/gcc/haifa-sched.c:6806
0x130954f schedule_region
        /repo/gcc-trunk/gcc/sched-rgn.c:3179
0x130954f schedule_insns()
        /repo/gcc-trunk/gcc/sched-rgn.c:3518
0x1309a6d schedule_insns()
        /repo/gcc-trunk/gcc/sched-rgn.c:3504
0x1309a6d rest_of_handle_sched2
        /repo/gcc-trunk/gcc/sched-rgn.c:3742
0x1309a6d execute
        /repo/gcc-trunk/gcc/sched-rgn.c:3878
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-r12-5590-20211129212232-g6c7d489a1e6-checking-yes-rtl-df-extra-nobootstrap-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
--disable-bootstrap --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-r12-5590-20211129212232-g6c7d489a1e6-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 12.0.0 20211130 (experimental) (GCC)

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