https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116199
Bug ID: 116199
Summary: [15 Regression] reload ICE building glibc for m68k
Product: gcc
Version: 15.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: jsm28 at gcc dot gnu.org
CC: law at gcc dot gnu.org
Target Milestone: ---
Target: m68k-*-*
Created attachment 58807
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=58807&action=edit
preprocessed source
The following ICE building glibc for m68k-linux-gnu was introduced by:
commit 88d16194d0c8a6bdc2896c8944bfbf3e6038c9d2
Author: Jeff Law <j...@ventanamicro.com>
Date: Mon Jul 22 08:45:10 2024 -0600
[NFC][PR rtl-optimization/115877] Avoid setting irrelevant bit groups as
live in ext-dce
and is still present as of 7ecd6610528a301e349df273b624513ef3827321. Build the
attached testcase with -O2 (not reduced, but pretty short anyway).
during RTL pass: reload
makedev.c: In function '__gnu_dev_makedev':
makedev.c:34:316: internal compiler error: Segmentation fault
0x1b413ce internal_error(char const*, ...)
/notnfs/josmyers/glibc-manual/src/gcc/gcc/diagnostic-global-context.cc:491
0xf02c3f crash_signal
/notnfs/josmyers/glibc-manual/src/gcc/gcc/toplev.cc:321
0xe7990a operands_match_p(rtx_def*, rtx_def*)
/notnfs/josmyers/glibc-manual/src/gcc/gcc/reload.cc:2252
0xe809b0 find_reloads(rtx_insn*, int, int, int, short*)
/notnfs/josmyers/glibc-manual/src/gcc/gcc/reload.cc:2782
0xe9162d calculate_needs_all_insns
/notnfs/josmyers/glibc-manual/src/gcc/gcc/reload1.cc:1469
0xe9162d reload(rtx_insn*, int)
/notnfs/josmyers/glibc-manual/src/gcc/gcc/reload1.cc:983
0xcd577f do_reload
/notnfs/josmyers/glibc-manual/src/gcc/gcc/ira.cc:5985
0xcd577f execute
/notnfs/josmyers/glibc-manual/src/gcc/gcc/ira.cc:6161
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.
