https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118936
Bug ID: 118936
Summary: ICE in ix86_finalize_stack_frame_flags, at
config/i386/i386.cc:8683
Product: gcc
Version: 15.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: 19373742 at buaa dot edu.cn
Target Milestone: ---
Created attachment 60530
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=60530&action=edit
The preprocessed file
*******************************************************************************
OS and Platform:
Ubuntu 20.04.4 LTS
*******************************************************************************
GCC Release:
Using built-in specs.
COLLECT_GCC=./gcc-releases/bin/gcc
COLLECT_LTO_WRAPPER=/home/gcc-releases/libexec/gcc/x86_64-pc-linux-gnu/15.0.1/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ./configure --prefix=/home/gcc-releases/ --disable-multilib
--enable-languages=c,c++
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 15.0.1 20250216 (experimental) (GCC)
*******************************************************************************
Command Lines:
# gcc -O3 -fno-omit-frame-pointer -fno-toplevel-reorder a.c
*******************************************************************************
during RTL pass: pro_and_epilogue
a.c: In function ‘func_40’:
a.c:1109:1: internal compiler error: in ix86_finalize_stack_frame_flags, at
config/i386/i386.cc:8683
1109 | }
| ^
0x25e720f internal_error(char const*, ...)
../.././gcc/diagnostic-global-context.cc:517
0xa202b5 fancy_abort(char const*, int, char const*)
../.././gcc/diagnostic.cc:1722
0x94c387 ix86_finalize_stack_frame_flags
../.././gcc/config/i386/i386.cc:8683
0x15a6480 ix86_expand_epilogue(int)
../.././gcc/config/i386/i386.cc:9984
0x1e0d0af gen_epilogue()
../.././gcc/config/i386/i386.md:20813
0x158edd5 target_gen_epilogue
../.././gcc/config/i386/i386.md:20311
0xd918a6 make_epilogue_seq
../.././gcc/function.cc:6029
0xd9199b thread_prologue_and_epilogue_insns()
../.././gcc/function.cc:6111
0xd92142 rest_of_handle_thread_prologue_and_epilogue
../.././gcc/function.cc:6627
0xd92142 execute
../.././gcc/function.cc:6713
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
